--- a/dsss.conf	Sat Apr 26 10:01:48 2008 +0200
+++ b/dsss.conf	Mon May 05 00:12:38 2008 +0200
@@ -15,6 +15,6 @@
 #}
 
 [dwt]
-type=sourcelibrary
+type=library
 
 

--- a/dwt/DWT.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/DWT.d	Mon May 05 00:12:38 2008 +0200
@@ -20,6 +20,7 @@
 import dwt.DWTException;
 
 import tango.core.Exception;
+import dwt.dwthelper.utils;
 
 version(build){
     pragma(link, "advapi32");
@@ -3392,7 +3393,7 @@
  *
  * @see DWT
  */
-static char[] findErrorText (int code) {
+static String findErrorText (int code) {
     switch (code) {
         case ERROR_UNSPECIFIED:            return "Unspecified error"; //$NON-NLS-1$
         case ERROR_NO_HANDLES:             return "No more handles"; //$NON-NLS-1$
@@ -3448,7 +3449,7 @@
  *    <li>ERROR_NULL_ARGUMENT - if the key is null</li>
  * </ul>
  */
-public static char[] getMessage(char[] key) {
+public static String getMessage(String key) {
     //return Compatibility.getMessage(key);
     return "";
 }
@@ -3459,7 +3460,7 @@
  *
  * @return the DWT platform name
  */
-public static char[] getPlatform () {
+public static String getPlatform () {
     return Platform.PLATFORM;
 }
 
@@ -3478,7 +3479,7 @@
  *
  * @param code the DWT error code
  */
-public static void error (char[] file, long line, int code) {
+public static void error (String file, long line, int code) {
     error (code, null);
 }
 public static void error (int code) {
@@ -3542,7 +3543,7 @@
  *
  * @since 3.0
  */
-public static void error (int code, Exception throwable, char[] detail) {
+public static void error (int code, Exception throwable, String detail) {
 
     /*
     * This code prevents the creation of "chains" of SWTErrors and
@@ -3563,7 +3564,7 @@
         if (auto t = cast(DWTException)throwable ) throw t;
     }
 
-    char[] message = findErrorText (code);
+    String message = findErrorText (code);
     if (detail != null) message ~= detail;
     switch (code) {
 

--- a/dwt/DWTError.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/DWTError.d	Mon May 05 00:12:38 2008 +0200
@@ -16,6 +16,7 @@
 
 import tango.core.Exception;
 import tango.io.Stdout;
+import dwt.dwthelper.utils;
 
 /**
  * This error is thrown whenever an unrecoverable error
@@ -80,7 +81,7 @@
  *
  * @param message the detail message for the exception
  */
-public this (char[] message) {
+public this (String message) {
     this (DWT.ERROR_UNSPECIFIED, message);
 }
 
@@ -103,7 +104,7 @@
  * @param code the DWT error code
  * @param message the detail message for the exception
  */
-public this (int code, char[] message) {
+public this (int code, String message) {
     super (message);
     this.code = code;
 }
@@ -132,7 +133,7 @@
  *  </p>
  *  @return the error message string of this DWTError object
  */
-public char[] getMessage () {
+public String getMessage () {
     if (throwable is null)
         return super.toString();
     return super.toString () ~ " (" ~ throwable.toString () ~ ")"; //$NON-NLS-1$ //$NON-NLS-2$

--- a/dwt/DWTException.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/DWTException.d	Mon May 05 00:12:38 2008 +0200
@@ -16,6 +16,7 @@
 
 import tango.core.Exception;
 import tango.io.Stdout;
+import dwt.dwthelper.utils;
 
 /**
  * This runtime exception is thrown whenever a recoverable error
@@ -72,7 +73,7 @@
  *
  * @param message the detail message for the exception
  */
-public this (char[] message) {
+public this (String message) {
     this (DWT.ERROR_UNSPECIFIED, message);
 }
 
@@ -95,7 +96,7 @@
  * @param code the DWT error code
  * @param message the detail message for the exception
  */
-public this (int code, char[] message) {
+public this (int code, String message) {
     super (message);
     this.code = code;
 }
@@ -124,7 +125,7 @@
  *  </p>
  *  @return the error message string of this DWTException object
  */
-public char[] getMessage () {
+public String getMessage () {
     if (throwable is null) return super.toString ();
     return super.toString () ~ " (" ~ throwable.toString () ~ ")"; //$NON-NLS-1$ //$NON-NLS-2$
 }

--- a/dwt/accessibility/Accessible.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/accessibility/Accessible.d	Mon May 05 00:12:38 2008 +0200
@@ -631,7 +631,7 @@
         if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG;
 
         /* Get the default defaultAction from the OS. */
-        char[] osDefaultAction = null;
+        String osDefaultAction = null;
         int code = iaccessible.get_accDefaultAction(variant, pszDefaultAction);
         if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID
         if (accessibleControlListeners.length is 0) return code;
@@ -659,7 +659,7 @@
         if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG;
 
         /* Get the default description from the OS. */
-        char[] osDescription = null;
+        String osDescription = null;
         int code = iaccessible.get_accDescription(variant, pszDescription);
         if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID
         // TEMPORARY CODE - process tree even if there are no apps listening
@@ -769,7 +769,7 @@
         if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG;
 
         /* Get the default help string from the OS. */
-        char[] osHelp = null;
+        String osHelp = null;
         int code = iaccessible.get_accHelp(variant, pszHelp);
         if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID
         if (accessibleListeners.length is 0) return code;
@@ -806,7 +806,7 @@
         if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG;
 
         /* Get the default keyboard shortcut from the OS. */
-        char[] osKeyboardShortcut = null;
+        String osKeyboardShortcut = null;
         int code = iaccessible.get_accKeyboardShortcut(variant, pszKeyboardShortcut);
         if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID
         if (accessibleListeners.length is 0) return code;
@@ -835,7 +835,7 @@
         if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG;
 
         /* Get the default name from the OS. */
-        char[] osName = null;
+        String osName = null;
         int code = iaccessible.get_accName(variant, pszName);
         if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID
         if (accessibleListeners.length is 0) return code;
@@ -1036,7 +1036,7 @@
         if ((v.vt & 0xFFFF) !is COM.VT_I4) return COM.E_INVALIDARG;
 
         /* Get the default value string from the OS. */
-        char[] osValue = null;
+        String osValue = null;
         int code = iaccessible.get_accValue(variant, pszValue);
         if (code is COM.E_INVALIDARG) code = COM.S_FALSE; // proxy doesn't know about app childID
         if (accessibleControlListeners.length is 0) return code;

--- a/dwt/accessibility/AccessibleControlEvent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/accessibility/AccessibleControlEvent.d	Mon May 05 00:12:38 2008 +0200
@@ -16,6 +16,7 @@
 
 import dwt.internal.DWTEventObject;
 import tango.text.convert.Format;
+import dwt.dwthelper.utils;
 
 /**
  * Instances of this class are sent as a result of
@@ -39,7 +40,7 @@
     public int x, y;                // IN/OUT
     public int width, height;       // OUT
     public int detail;          // IN/OUT
-    public char[] result;           // OUT
+    public String result;           // OUT
     public Object children[];       // [OUT]
 
     //static final long serialVersionUID = 3257281444169529141L;
@@ -59,7 +60,7 @@
  *
  * @return a string representation of the event
  */
-public char[] toString () {
+public String toString () {
     return Format( "AccessibleControlEvent {childID={} accessible={} x={} y={} width={} heigth={} detail={} result={}",
         childID, accessible, x, y, width, height, detail, result);
 }

--- a/dwt/accessibility/AccessibleEvent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/accessibility/AccessibleEvent.d	Mon May 05 00:12:38 2008 +0200
@@ -15,6 +15,7 @@
 
 import dwt.internal.DWTEventObject;
 import tango.text.convert.Format;
+import dwt.dwthelper.utils;
 
 /**
  * Instances of this class are sent as a result of
@@ -45,7 +46,7 @@
      * What to set it to depends on the listener method called, and
      * the childID specified by the client.
      */
-    public char[] result;
+    public String result;
 
     //static final long serialVersionUID = 3257567304224026934L;
 
@@ -64,7 +65,7 @@
  *
  * @return a string representation of the event
  */
-override public char[] toString () {
+override public String toString () {
     return Format( "AccessibleEvent {childID={} result={}}", childID, result );
 }
 }

--- a/dwt/accessibility/AccessibleTextEvent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/accessibility/AccessibleTextEvent.d	Mon May 05 00:12:38 2008 +0200
@@ -15,6 +15,7 @@
 
 import dwt.internal.DWTEventObject;
 import tango.text.convert.Format;
+import dwt.dwthelper.utils;
 
 /**
  * Instances of this class are sent as a result of
@@ -53,7 +54,7 @@
  *
  * @return a string representation of the event
  */
-override public char[] toString () {
+override public String toString () {
     return Format( "AccessibleTextEvent {{childID={} offset={} length={}}",
         childID,
         offset,

--- a/dwt/custom/BidiSegmentEvent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/BidiSegmentEvent.d	Mon May 05 00:12:38 2008 +0200
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -15,6 +15,7 @@
 
 import dwt.events.TypedEvent;
 import dwt.custom.StyledTextEvent;
+import dwt.dwthelper.utils;
 
 /**
  * This event is sent to BidiSegmentListeners when a line is to
@@ -70,7 +71,7 @@
     /**
      * line text
      */
-    public char[] lineText;
+    public String lineText;
 
     /**
      * bidi segments, see above

--- a/dwt/custom/Bullet.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/Bullet.d	Mon May 05 00:12:38 2008 +0200
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -16,6 +16,7 @@
 import dwt.custom.StyleRange;
 import dwt.custom.ST;
 import dwt.dwthelper.System;
+import dwt.dwthelper.utils;
 
 /**
  * Instances of this class represent bullets in the <code>StyledText</code>.
@@ -38,7 +39,7 @@
 public class Bullet {
     public int type;
     public StyleRange style;
-    public char[] text;
+    public String text;
     int[] linesIndices;
     int count;
 

--- a/dwt/custom/BusyIndicator.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/BusyIndicator.d	Mon May 05 00:12:38 2008 +0200
@@ -27,8 +27,8 @@
 public class BusyIndicator {
 
     static int nextBusyId = 1;
-    static const char[] BUSYID_NAME = "DWT BusyIndicator"; //$NON-NLS-1$
-    static const char[] BUSY_CURSOR = "DWT BusyIndicator Cursor"; //$NON-NLS-1$
+    static const String BUSYID_NAME = "DWT BusyIndicator"; //$NON-NLS-1$
+    static const String BUSY_CURSOR = "DWT BusyIndicator Cursor"; //$NON-NLS-1$
 
 /**
  * Runs the given <code>Runnable</code> while providing

--- a/dwt/custom/CCombo.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/CCombo.d	Mon May 05 00:12:38 2008 +0200
@@ -196,7 +196,7 @@
  *
  * @see #add(String,int)
  */
-public void add (char[] string) {
+public void add (String string) {
     checkWidget();
     if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT);
     list.add (string);
@@ -224,7 +224,7 @@
  *
  * @see #add(String)
  */
-public void add (char[] string, int index) {
+public void add (String string, int index) {
     checkWidget();
     if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT);
     list.add (string, index);
@@ -376,7 +376,7 @@
 public override Point computeSize (int wHint, int hHint, bool changed) {
     checkWidget ();
     int width = 0, height = 0;
-    char[][] items = list.getItems ();
+    String[] items = list.getItems ();
     GC gc = new GC (text);
     int spacer = gc.stringExtent (" ").x; //$NON-NLS-1$
     int textWidth = gc.stringExtent (text.getText ()).x;
@@ -412,7 +412,7 @@
     checkWidget ();
     text.copy ();
 }
-void createPopup(char[][] items, int selectionIndex) {
+void createPopup(String[] items, int selectionIndex) {
     // create shell and list
     popup = new Shell (getShell (), DWT.NO_TRIM | DWT.ON_TOP);
     int style = getStyle ();
@@ -496,7 +496,7 @@
     }
 
     if (getShell() !is popup.getParent ()) {
-        char[][] items = list.getItems ();
+        String[] items = list.getItems ();
         int selectionIndex = list.getSelectionIndex ();
         list.removeListener (DWT.Dispose, listener);
         popup.dispose();
@@ -534,7 +534,7 @@
  * an '&' character in the given string. If there are no '&'
  * characters in the given string, return '\0'.
  */
-dchar _findMnemonic (char[] string) {
+dchar _findMnemonic (String string) {
     if (string is null) return '\0';
     int index = 0;
     int length = string.length;
@@ -602,7 +602,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public char[] getItem (int index) {
+public String getItem (int index) {
     checkWidget();
     return list.getItem (index);
 }
@@ -651,7 +651,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public char[] [] getItems () {
+public String [] getItems () {
     checkWidget ();
     return list.getItems ();
 }
@@ -708,7 +708,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public char[] getText () {
+public String getText () {
     checkWidget ();
     return text.getText ();
 }
@@ -810,7 +810,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public int indexOf (char[] string) {
+public int indexOf (String string) {
     checkWidget ();
     if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT);
     return list.indexOf (string);
@@ -834,7 +834,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public int indexOf (char[] string, int start) {
+public int indexOf (String string, int start) {
     checkWidget ();
     if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT);
     return list.indexOf (string, start);
@@ -843,7 +843,7 @@
 void initAccessible() {
     AccessibleAdapter accessibleAdapter = new class() AccessibleAdapter {
         public void getName (AccessibleEvent e) {
-            char[] name = null;
+            String name = null;
             Label label = getAssociatedLabel ();
             if (label !is null) {
                 name = stripMnemonic (label.getText());
@@ -851,10 +851,10 @@
             e.result = name;
         }
         public void getKeyboardShortcut(AccessibleEvent e) {
-            char[] shortcut = null;
+            String shortcut = null;
             Label label = getAssociatedLabel ();
             if (label !is null) {
-                char[] text = label.getText ();
+                String text = label.getText ();
                 if (text !is null) {
                     dchar mnemonic = _findMnemonic (text);
                     if (mnemonic !is '\0') {
@@ -964,7 +964,7 @@
     switch (event.type) {
         case DWT.Dispose:
             if (getShell () !is popup.getParent ()) {
-                char[][] items = list.getItems ();
+                String[] items = list.getItems ();
                 int selectionIndex = list.getSelectionIndex ();
                 popup = null;
                 list = null;
@@ -1170,7 +1170,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public void remove (char[] string) {
+public void remove (String string) {
     checkWidget();
     if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT);
     list.remove (string);
@@ -1352,7 +1352,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public void setItem (int index, char[] string) {
+public void setItem (int index, String string) {
     checkWidget();
     list.setItem (index, string);
 }
@@ -1370,7 +1370,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public void setItems (char[] [] items) {
+public void setItems (String [] items) {
     checkWidget ();
     list.setItems (items);
     if (!text.getEditable ()) text.setText (""); //$NON-NLS-1$
@@ -1440,7 +1440,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public void setText (char[] string) {
+public void setText (String string) {
     checkWidget();
     if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT);
     int index = list.indexOf (string);
@@ -1473,7 +1473,7 @@
     text.setTextLimit (limit);
 }
 
-public override void setToolTipText (char[] string) {
+public override void setToolTipText (String string) {
     checkWidget();
     super.setToolTipText(string);
     arrow.setToolTipText (string);
@@ -1507,7 +1507,7 @@
     if (count < 0) return;
     visibleItemCount = count;
 }
-char[] stripMnemonic (char[] string) {
+String stripMnemonic (String string) {
     int index = 0;
     int length_ = string.length;
     do {

--- a/dwt/custom/CLabel.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/CLabel.d	Mon May 05 00:12:38 2008 +0200
@@ -74,13 +74,13 @@
     /** Left and right margins */
     private static const int INDENT = 3;
     /** a string inserted in the middle of text that has been shortened */
-    private static const char[] ELLIPSIS = "..."; //$NON-NLS-1$ // could use the ellipsis glyph on some platforms "\u2026"
+    private static const String ELLIPSIS = "..."; //$NON-NLS-1$ // could use the ellipsis glyph on some platforms "\u2026"
     /** the alignment. Either CENTER, RIGHT, LEFT. Default is LEFT*/
     private int align_ = DWT.LEFT;
     private int hIndent = INDENT;
     private int vIndent = INDENT;
     /** the current text */
-    private char[] text;
+    private String text;
     /** the current icon */
     private Image image;
     // The tooltip is used for two purposes - the application can set
@@ -88,7 +88,7 @@
     // the text has been truncated due to the label being too short.
     // The appToolTip stores the tooltip set by the application.  Control.tooltiptext
     // contains whatever tooltip is currently being displayed.
-    private char[] appToolTipText;
+    private String appToolTipText;
 
     private Image backgroundImage;
     private Color[] gradientColors;
@@ -209,7 +209,7 @@
  * an '&' character in the given string. If there are no '&'
  * characters in the given string, return '\0'.
  */
-dchar _findMnemonic (char[] string) {
+dchar _findMnemonic (String string) {
     if (string is null) return '\0';
     int index = 0;
     int length = string.length;
@@ -248,7 +248,7 @@
 /**
  * Compute the minimum size.
  */
-private Point getTotalSize(Image image, char[] text) {
+private Point getTotalSize(Image image, String text) {
     Point size = new Point(0, 0);
 
     if (image !is null) {
@@ -286,11 +286,11 @@
  *
  * @return the text of the label or null
  */
-public char[] getText() {
+public String getText() {
     //checkWidget();
     return text;
 }
-public override char[] getToolTipText () {
+public override String getToolTipText () {
     checkWidget();
     return appToolTipText;
 }
@@ -379,7 +379,7 @@
     if (rect.width is 0 || rect.height is 0) return;
 
     bool shortenText_ = false;
-    char[] t = text;
+    String t = text;
     Image img = image;
     int availableWidth = Math.max(0, rect.width - 2*hIndent);
     Point extent = getTotalSize(img, t);
@@ -392,7 +392,7 @@
     }
 
     GC gc = event.gc;
-    char[][] lines = text is null ? null : splitString(text);
+    String[] lines = text is null ? null : splitString(text);
 
     // shorten the text
     if (shortenText_) {
@@ -765,7 +765,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public void setText(char[] text) {
+public void setText(String text) {
     checkWidget();
     if (text is null) text = ""; //$NON-NLS-1$
     if ( text !=/*eq*/ this.text) {
@@ -773,7 +773,7 @@
         redraw();
     }
 }
-public override void setToolTipText (char[] string) {
+public override void setToolTipText (String string) {
     super.setToolTipText (string);
     appToolTipText = super.getToolTipText();
 }
@@ -788,7 +788,7 @@
  * @param width the width to shorten the text to, in pixels
  * @return the shortened text
  */
-protected char[] shortenText(GC gc, char[] t, int width) {
+protected String shortenText(GC gc, String t, int width) {
     if (t is null) return null;
     int w = gc.textExtent(ELLIPSIS, DRAW_FLAGS).x;
     if (width<=w) return t;
@@ -798,8 +798,8 @@
     int mid = (max+min)/2 - 1;
     if (mid <= 0) return t;
     while (min < mid && mid < max) {
-        char[] s1 = t[0 .. mid].dup;
-        char[] s2 = t[l-mid .. l].dup;
+        String s1 = t[0 .. mid].dup;
+        String s2 = t[l-mid .. l].dup;
         int l1 = gc.textExtent(s1, DRAW_FLAGS).x;
         int l2 = gc.textExtent(s2, DRAW_FLAGS).x;
         if (l1+w+l2 > width) {
@@ -816,8 +816,8 @@
     return t[ 0 .. mid ] ~ ELLIPSIS ~ t[ l-mid .. l ];
 }
 
-private char[][] splitString(char[] text) {
-    char[][] lines = new char[][1];
+private String[] splitString(String text) {
+    String[] lines = new String[1];
     int start = 0, pos;
     do {
         pos = tango.text.Util.locate( text, '\n', start);
@@ -827,7 +827,7 @@
             bool crlf = (pos > 0) && (text[ pos - 1 ] is '\r');
             lines[lines.length - 1] = text[ start .. pos - (crlf ? 1 : 0)];
             start = pos + 1;
-            char[][] newLines = new char[][lines.length+1];
+            String[] newLines = new String[lines.length+1];
             System.arraycopy(lines, 0, newLines, 0, lines.length);
             lines = newLines;
         }

--- a/dwt/custom/CTabFolder.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/CTabFolder.d	Mon May 05 00:12:38 2008 +0200
@@ -411,7 +411,7 @@
      * NO_BACKGROUND style.  The NO_BACKGROUND style is not required on platforms
      * that use double buffering which is true in both of these cases.
      */
-    char[] platform = DWT.getPlatform();
+    String platform = DWT.getPlatform();
     if ("carbon"==platform || "gtk"==platform) return style; //$NON-NLS-1$ //$NON-NLS-2$
 
     //TEMPORARY CODE
@@ -879,7 +879,7 @@
         }
         count = items.length - showCount;
     }
-    char[] chevronString = count > 99 ? "99+" : to!(char[])(count); //$NON-NLS-1$
+    String chevronString = count > 99 ? "99+" : to!(String)(count); //$NON-NLS-1$
     switch (chevronImageState) {
         case NORMAL: {
             Color chevronBorder = single ? getSelectionForeground() : getForeground();
@@ -1296,7 +1296,7 @@
  * an '&' character in the given string. If there are no '&'
  * characters in the given string, return '\0'.
  */
-dchar _findMnemonic (char[] string) {
+dchar _findMnemonic (String string) {
     if (string is null) return '\0';
     int index = 0;
     int length_ = string.length;
@@ -1308,7 +1308,7 @@
     } while (index < length_);
     return '\0';
 }
-char[] stripMnemonic (char[] string) {
+String stripMnemonic (String string) {
     int index = 0;
     int length_ = string.length;
     do {
@@ -1641,7 +1641,7 @@
     final Accessible accessible = getAccessible();
     accessible.addAccessibleListener(new class() AccessibleAdapter {
         public void getName(AccessibleEvent e) {
-            char[] name = null;
+            String name = null;
             int childID = e.childID;
             if (childID >= 0 && childID < items.length) {
                 name = stripMnemonic(items[childID].getText());
@@ -1656,7 +1656,7 @@
         }
 
         public void getHelp(AccessibleEvent e) {
-            char[] help = null;
+            String help = null;
             int childID = e.childID;
             if (childID is ACC.CHILDID_SELF) {
                 help = getToolTipText();
@@ -1667,10 +1667,10 @@
         }
 
         public void getKeyboardShortcut(AccessibleEvent e) {
-            char[] shortcut = null;
+            String shortcut = null;
             int childID = e.childID;
             if (childID >= 0 && childID < items.length) {
-                char[] text = items[childID].getText();
+                String text = items[childID].getText();
                 if (text !is null) {
                     dchar mnemonic = _findMnemonic(text);
                     if (mnemonic !is '\0') {
@@ -1738,7 +1738,7 @@
         }
 
         public void getDefaultAction(AccessibleControlEvent e) {
-            char[] action = null;
+            String action = null;
             int childID = e.childID;
             if (childID >= 0 && childID < items.length) {
                 action = DWT.getMessage ("SWT_Switch"); //$NON-NLS-1$
@@ -3868,7 +3868,7 @@
             items[i].dispose();
         }
     }
-    static const char[] id = "CTabFolder_showList_Index"; //$NON-NLS-1$
+    static const String id = "CTabFolder_showList_Index"; //$NON-NLS-1$
     for (int i = 0; i < items.length; i++) {
         CTabItem tab = items[i];
         if (tab.showing) continue;
@@ -3912,8 +3912,8 @@
 }
 
 void _setToolTipText (int x, int y) {
-    char[] oldTip = getToolTipText();
-    char[] newTip = _getToolTip(x, y);
+    String oldTip = getToolTipText();
+    String newTip = _getToolTip(x, y);
     if (newTip is null || newTip!=oldTip) {
         setToolTipText(newTip);
     }
@@ -4045,7 +4045,7 @@
     notifyListeners(DWT.Resize, new Event());
     return true;
 }
-char[] _getToolTip(int x, int y) {
+String _getToolTip(int x, int y) {
     if (showMin && minRect.contains(x, y)) return minimized ? DWT.getMessage("SWT_Restore") : DWT.getMessage("SWT_Minimize"); //$NON-NLS-1$ //$NON-NLS-2$
     if (showMax && maxRect.contains(x, y)) return maximized ? DWT.getMessage("SWT_Restore") : DWT.getMessage("SWT_Maximize"); //$NON-NLS-1$ //$NON-NLS-2$
     if (showChevron && chevronRect.contains(x, y)) return DWT.getMessage("SWT_ShowList"); //$NON-NLS-1$

--- a/dwt/custom/CTabFolderEvent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/CTabFolderEvent.d	Mon May 05 00:12:38 2008 +0200
@@ -18,6 +18,7 @@
 import dwt.widgets.Widget;
 
 import tango.util.Convert;
+import dwt.dwthelper.utils;
 
 /**
  *
@@ -81,15 +82,15 @@
  *
  * @return a string representation of the event
  */
-public override char[] toString() {
-    char[] string = super.toString ();
+public override String toString() {
+    String string = super.toString ();
     return string[0.. $ - 1] // remove trailing '}'
-        ~ " item=" ~ to!(char[])(item)
-        ~ " doit=" ~ to!(char[])(doit)
-        ~ " x=" ~ to!(char[])(x)
-        ~ " y=" ~ to!(char[])(y)
-        ~ " width=" ~ to!(char[])(width)
-        ~ " height=" ~ to!(char[])(height)
+        ~ " item=" ~ to!(String)(item)
+        ~ " doit=" ~ to!(String)(doit)
+        ~ " x=" ~ to!(String)(x)
+        ~ " y=" ~ to!(String)(y)
+        ~ " width=" ~ to!(String)(width)
+        ~ " height=" ~ to!(String)(height)
         ~ "}";
 }
 }

--- a/dwt/custom/CTabItem.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/CTabItem.d	Mon May 05 00:12:38 2008 +0200
@@ -28,6 +28,7 @@
 import dwt.widgets.Item;
 import dwt.widgets.Widget;
 import dwt.custom.CTabFolder;
+import dwt.dwthelper.utils;
 
 /**
  * Instances of this class represent a selectable user interface object
@@ -48,8 +49,8 @@
     int x,y,width,height = 0;
     Control control; // the tab page
 
-    char[] toolTipText;
-    char[] shortenedText;
+    String toolTipText;
+    String shortenedText;
     int shortenedTextWidth;
 
     // Appearance
@@ -68,7 +69,7 @@
     static final int RIGHT_MARGIN = 4;
     static final int INTERNAL_SPACING = 4;
     static final int FLAGS = DWT.DRAW_TRANSPARENT | DWT.DRAW_MNEMONIC;
-    static final char[] ELLIPSIS = "..."; //$NON-NLS-1$ // could use the ellipsis glyph on some platforms "\u2026"
+    static final String ELLIPSIS = "..."; //$NON-NLS-1$ // could use the ellipsis glyph on some platforms "\u2026"
 
 /**
  * Constructs a new instance of this class given its parent
@@ -148,13 +149,13 @@
     return parent.simple;
 }
 
-char[] shortenText(GC gc, char[] text, int width) {
+String shortenText(GC gc, String text, int width) {
     return useEllipses()
         ? shortenText(gc, text, width, ELLIPSIS)
         : shortenText(gc, text, width, ""); //$NON-NLS-1$
 }
 
-char[] shortenText(GC gc, char[] text, int width, char[] ellipses) {
+String shortenText(GC gc, String text, int width, String ellipses) {
     if (gc.textExtent(text, FLAGS).x <= width) return text;
     int ellipseWidth = gc.textExtent(ellipses, FLAGS).x;
     int length = text.length;
@@ -776,10 +777,10 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public char[] getToolTipText () {
+public String getToolTipText () {
     checkWidget();
     if (toolTipText is null && shortenedText !is null) {
-        char[] text = getText();
+        String text = getText();
         if (shortenedText!=text) return text;
     }
     return toolTipText;
@@ -811,7 +812,7 @@
 int preferredHeight(GC gc) {
     Image image = getImage();
     int h = (image is null) ? 0 : image.getBounds().height;
-    char[] text = getText();
+    String text = getText();
     if (font is null) {
         h = Math.max(h, gc.textExtent(text, FLAGS).y);
     } else {
@@ -831,7 +832,7 @@
     if (image !is null && (isSelected || parent.showUnselectedImage)) {
         w += image.getBounds().width;
     }
-    char[] text = null;
+    String text = null;
     if (minimum) {
         int minChars = parent.minChars;
         text = minChars is 0 ? null : getText();
@@ -996,7 +997,7 @@
         parent.redrawTabs();
     }
 }
-public override void setText (char[] string) {
+public override void setText (String string) {
     checkWidget();
     if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT);
     if (string==getText()) return;
@@ -1019,7 +1020,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public void setToolTipText (char[] string) {
+public void setToolTipText (String string) {
     checkWidget();
     toolTipText = string;
 }

--- a/dwt/custom/DefaultContent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/DefaultContent.d	Mon May 05 00:12:38 2008 +0200
@@ -29,10 +29,10 @@
 alias tango.text.Text.Text!(char) StringBuffer;
 
 class DefaultContent : StyledTextContent {
-    private final static char[] LineDelimiter = tango.io.FileConst.FileConst.NewlineString;
+    private final static String LineDelimiter = tango.io.FileConst.FileConst.NewlineString;
 
     StyledTextListener[] textListeners; // stores text listeners for event sending
-    char[] textStore; // stores the actual text
+    String textStore; // stores the actual text
     int gapStart = -1;  // the character position start of the gap
     int gapEnd = -1;    // the character position after the end of the gap
     int gapLine = -1;   // the line on which the gap exists, the gap will always be associated with one line
@@ -187,7 +187,7 @@
  * @param newText start offset of text to replace
  * @return a bool specifying whether or not the replace operation is valid
  */
-protected bool isValidReplace(int start, int replaceLength, char[] newText){
+protected bool isValidReplace(int start, int replaceLength, String newText){
     if (replaceLength is 0) {
         // inserting text, see if the \r\n line delimiter is being split
         if (start is 0) return true;
@@ -272,7 +272,7 @@
  * @param position the position at which to insert the text
  * @param text the text to insert
  */
-void insert(int position, char[] text) {
+void insert(int position, String text) {
     if (text.length is 0) return;
 
     int startLine = getLineAtOffset(position);
@@ -454,7 +454,7 @@
  * @param text the text to lineate
  * @return number of lines in the text
  */
-int lineCount(char[] text){
+int lineCount(String text){
     int lineCount_ = 0;
     int length = text.length;
     for (int i = 0; i < length; i++) {
@@ -487,7 +487,7 @@
  *   <li>ERROR_INVALID_ARGUMENT when index is out of range</li>
  * </ul>
  */
-public char[] getLine(int index) {
+public String getLine(int index) {
     if ((index >= lineCount_) || (index < 0)) error(DWT.ERROR_INVALID_ARGUMENT);
     int start = lines[index][0];
     int length_ = lines[index][1];
@@ -520,7 +520,7 @@
  * @return the platform line delimiter as specified in the line.separator
  *  system property.
  */
-public char[] getLineDelimiter() {
+public String getLineDelimiter() {
     return LineDelimiter;
 }
 /**
@@ -529,7 +529,7 @@
  * @param index the index of the line to return
  * @return the logical line text (i.e., without the gap) with delimiters
  */
-char[] getFullLine(int index) {
+String getFullLine(int index) {
     int start = lines[index][0];
     int length_ = lines[index][1];
     int end = start + length_ - 1;
@@ -552,7 +552,7 @@
  * @param index the line index
  * @return the physical line
  */
-char[] getPhysicalLine(int index) {
+String getPhysicalLine(int index) {
     int start = lines[index][0];
     int length_ = lines[index][1];
     return getPhysicalText(start, length_);
@@ -700,7 +700,7 @@
  * @param length the physical length of the text to return
  * @return the text
  */
-char[] getPhysicalText(int start, int length_) {
+String getPhysicalText(int start, int length_) {
     return textStore[ start .. start + length_ ].dup;
 }
 /**
@@ -712,7 +712,7 @@
  * @param length the logical length of the text to return
  * @return the text
  */
-public char[] getTextRange(int start, int length_) {
+public String getTextRange(int start, int length_) {
     if (textStore is null)
         return "";
     if (length_ is 0)
@@ -775,7 +775,7 @@
  *      \r\n delimiter or deleting part of this line delimiter is not supported</li>
  * </ul>
  */
-public void replaceTextRange(int start, int replaceLength, char[] newText){
+public void replaceTextRange(int start, int replaceLength, String newText){
     // check for invalid replace operations
     if (!isValidReplace(start, replaceLength, newText)) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
 
@@ -814,7 +814,7 @@
  *
  * @param text the text
  */
-public void setText (char[] text){
+public void setText (String text){
     textStore = text.dup;
     gapStart = -1;
     gapEnd = -1;
@@ -839,7 +839,7 @@
     int startLineOffset = getOffsetAtLine(startLine);
     int endLine = getLineAtOffset(position + length_);
 
-    char[] endText = "";
+    String endText = "";
     bool splittingDelimiter = false;
     if (position + length_ < getCharCount()) {
         endText = getTextRange(position + length_ - 1, 2);

--- a/dwt/custom/ExtendedModifyEvent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/ExtendedModifyEvent.d	Mon May 05 00:12:38 2008 +0200
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*******************************************************************************
  * Copyright (c) 2000, 2004 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -14,6 +14,7 @@
 
 import dwt.events.TypedEvent;
 import dwt.custom.StyledTextEvent;
+import dwt.dwthelper.utils;
 
 /**
  * This event is sent after a text change occurs.
@@ -24,7 +25,7 @@
     /** length of the new text */
     public int length;
     /** replaced text or empty string if no text was replaced */
-    public char[] replacedText;
+    public String replacedText;
 
     static final long serialVersionUID = 3258696507027830832L;
 

--- a/dwt/custom/LineBackgroundEvent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/LineBackgroundEvent.d	Mon May 05 00:12:38 2008 +0200
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -16,6 +16,7 @@
 import dwt.events.TypedEvent;
 import dwt.graphics.Color;
 import dwt.custom.StyledTextEvent;
+import dwt.dwthelper.utils;
 
 /**
  * This event is sent when a line is about to be drawn.
@@ -30,7 +31,7 @@
     /**
      * line text
      */
-    public char[] lineText;
+    public String lineText;
 
     /**
      * line background color

--- a/dwt/custom/LineStyleEvent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/LineStyleEvent.d	Mon May 05 00:12:38 2008 +0200
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -16,6 +16,7 @@
 import dwt.custom.StyleRange;
 import dwt.custom.Bullet;
 import dwt.custom.StyledTextEvent;
+import dwt.dwthelper.utils;
 
 /**
  * This event is sent when a line is about to be drawn.
@@ -30,7 +31,7 @@
     /**
      * line text (input)
      */
-    public char[] lineText;
+    public String lineText;
 
     /**
      * line ranges (output)

--- a/dwt/custom/MovementEvent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/MovementEvent.d	Mon May 05 00:12:38 2008 +0200
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*******************************************************************************
  * Copyright (c) 2000, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -14,6 +14,7 @@
 
 import dwt.events.TypedEvent;
 import dwt.custom.StyledTextEvent;
+import dwt.dwthelper.utils;
 
 /**
  * This event is sent when a new offset is required based on the current
@@ -31,7 +32,7 @@
     /**
      * line text (input)
      */
-    public char[] lineText;
+    public String lineText;
 
     /**
      * the current offset (input)

--- a/dwt/custom/PopupList.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/PopupList.d	Mon May 05 00:12:38 2008 +0200
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*******************************************************************************
  * Copyright (c) 2000, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -29,6 +29,8 @@
 import dwt.widgets.List;
 import dwt.widgets.Listener;
 import dwt.widgets.Shell;
+import dwt.dwthelper.utils;
+
 /**
 * A PopupList is a list of selectable items that appears in its own shell positioned above
 * its parent shell.  It is used for selecting items when editing a Table cell (similar to the
@@ -127,7 +129,7 @@
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 *   </ul>
 */
-public char[][] getItems () {
+public String[] getItems () {
     return list.getItems();
 }
 /**
@@ -146,7 +148,7 @@
 *
 * @return the text of the selected item or null if no item is selected
 */
-public char[] open (Rectangle rect) {
+public String open (Rectangle rect) {
 
     Point listSize = list.computeSize (rect.width, DWT.DEFAULT, false);
     Rectangle screenSize = shell.getDisplay().getBounds();
@@ -194,16 +196,16 @@
         if (!display.readAndDispatch()) display.sleep();
     }
 
-    char[] result = null;
+    String result = null;
     if (!shell.isDisposed ()) {
-        char[] [] strings = list.getSelection ();
+        String [] strings = list.getSelection ();
         shell.dispose();
         if (strings.length !is 0) result = strings [0];
     }
     return result;
 }
 /**
-* Selects an item with text that starts with specified char[].
+* Selects an item with text that starts with specified String.
 * <p>
 * If the item is not currently selected, it is selected.
 * If the item at an index is selected, it remains selected.
@@ -216,8 +218,8 @@
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 *   </ul>
 */
-public void select(char[] string) {
-    char[][] items = list.getItems();
+public void select(String string) {
+    String[] items = list.getItems();
 
     // find the first entry in the list that starts with the
     // specified string
@@ -269,7 +271,7 @@
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 *   </ul>
 */
-public void setItems (char[][] strings) {
+public void setItems (String[] strings) {
     list.setItems(strings);
 }
 /**

--- a/dwt/custom/SashFormData.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/SashFormData.d	Mon May 05 00:12:38 2008 +0200
@@ -14,13 +14,14 @@
 
 static import tango.text.Util;
 import tango.util.Convert;
+import dwt.dwthelper.utils;
 
 class SashFormData {
 
     long weight;
 
-char[] getName () {
-    char[] string = this.classinfo.name;
+String getName () {
+    String string = this.classinfo.name;
     int index = tango.text.Util.locatePrior( string ,'.' );
     if (index is string.length ) return string;
     return string[ index + 1 .. $ ];
@@ -32,7 +33,7 @@
  *
  * @return a string representation of the event
  */
-public override char[] toString () {
-    return getName()~" {weight="~to!(char[])(weight)~"}"; //$NON-NLS-2$
+public override String toString () {
+    return getName()~" {weight="~to!(String)(weight)~"}"; //$NON-NLS-2$
 }
 }

--- a/dwt/custom/ScrolledComposite.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/ScrolledComposite.d	Mon May 05 00:12:38 2008 +0200
@@ -24,6 +24,7 @@
 import dwt.widgets.Listener;
 import dwt.widgets.ScrollBar;
 import dwt.custom.ScrolledCompositeLayout;
+import dwt.dwthelper.utils;
 
 /**
  * A ScrolledComposite provides scrollbars and will scroll its content when the user

--- a/dwt/custom/StackLayout.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/StackLayout.d	Mon May 05 00:12:38 2008 +0200
@@ -129,8 +129,8 @@
     }
 }
 
-char[] getName () {
-    char[] string = this.classinfo.name;
+String getName () {
+    String string = this.classinfo.name;
     int index = tango.text.Util.locatePrior( string ,'.');
     if (index is string.length ) return string;
     return string[ index + 1 .. $ ];
@@ -142,11 +142,11 @@
  *
  * @return a string representation of the layout
  */
-public override char[] toString () {
-    char[] string = getName ()~" {";
-    if (marginWidth !is 0) string ~= "marginWidth="~to!(char[])(marginWidth)~" ";
-    if (marginHeight !is 0) string ~= "marginHeight="~to!(char[])(marginHeight)~" ";
-    if (topControl !is null) string ~= "topControl="~to!(char[])(topControl)~" ";
+public override String toString () {
+    String string = getName ()~" {";
+    if (marginWidth !is 0) string ~= "marginWidth="~to!(String)(marginWidth)~" ";
+    if (marginHeight !is 0) string ~= "marginHeight="~to!(String)(marginHeight)~" ";
+    if (topControl !is null) string ~= "topControl="~to!(String)(topControl)~" ";
     string = tango.text.Util.trim(string);
     string ~= "}";
     return string;

--- a/dwt/custom/StyleRange.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/StyleRange.d	Mon May 05 00:12:38 2008 +0200
@@ -20,6 +20,7 @@
 import dwt.custom.StyleRange;
 import dwt.custom.TextChangedEvent;
 import dwt.custom.TextChangingEvent;
+import dwt.dwthelper.utils;
 
 static import tango.text.Text;
 alias tango.text.Text.Text!(char) StringBuffer;
@@ -175,7 +176,7 @@
  *
  * @return a string representation of the StyleRange
  */
-public override char[] toString() {
+public override String toString() {
     StringBuffer buffer = new StringBuffer();
     buffer.append("StyleRange {");
     buffer.append(start);
@@ -195,7 +196,7 @@
         default:
             buffer.append("normal");
     }
-    char[] str = super.toString();
+    String str = super.toString();
     int index = tango.text.Util.locate( str, '{');
     if( index is str.length ) index = -1;
     str = str[ index + 1 .. $ ];

--- a/dwt/custom/StyledText.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/StyledText.d	Mon May 05 00:12:38 2008 +0200
@@ -148,7 +148,7 @@
     alias Canvas.computeSize computeSize;
 
     static const char TAB = '\t';
-    static const char[] PlatformLineDelimiter = tango.io.FileConst.FileConst.NewlineString;
+    static const String PlatformLineDelimiter = tango.io.FileConst.FileConst.NewlineString;
     static const int BIDI_CARET_WIDTH = 3;
     static const int DEFAULT_WIDTH  = 64;
     static const int DEFAULT_HEIGHT = 64;
@@ -229,7 +229,7 @@
 
     const static bool IS_CARBON, IS_GTK, IS_MOTIF;
     static this(){
-        char[] platform = DWT.getPlatform();
+        String platform = DWT.getPlatform();
         IS_CARBON = ("carbon" == platform);
         IS_GTK    = ("gtk"    == platform);
         IS_MOTIF  = ("motif"  == platform);
@@ -313,7 +313,7 @@
         if (styledText.isListening(LineGetBackground) || (styledText.isBidi() && styledText.isListening(LineGetSegments)) || styledText.isListening(LineGetStyle)) {
             StyledTextContent content = printerRenderer.content;
             for (int i = 0; i < lineCount; i++) {
-                char[] line = content.getLine(i);
+                String line = content.getLine(i);
                 int lineOffset = content.getOffsetAtLine(i);
                 StyledTextEvent event = styledText.getLineBackgroundData(lineOffset, line);
                 if (event !is null && event.lineBackground !is null) {
@@ -601,12 +601,12 @@
      * @param header true = print the header, false = print the footer
      */
     void printDecoration(int page, bool header, TextLayout layout) {
-        char[] text = header ? printOptions.header : printOptions.footer;
+        String text = header ? printOptions.header : printOptions.footer;
         if (text is null) return;
         int lastSegmentIndex = 0;
         for (int i = 0; i < 3; i++) {
             int segmentIndex = tango.text.Util.locatePattern( text, StyledTextPrintOptions.SEPARATOR, lastSegmentIndex);
-            char[] segment;
+            String segment;
             if (segmentIndex is text.length ) {
                 segment = text[ lastSegmentIndex .. $ ].dup;
                 printDecorationSegment(segment, i, page, header, layout);
@@ -628,7 +628,7 @@
      * @param page page number to print, if specified in the decoration segment.
      * @param header true = print the header, false = print the footer
      */
-    void printDecorationSegment(char[] segment, int alignment, int page, bool header, TextLayout layout) {
+    void printDecorationSegment(String segment, int alignment, int page, bool header, TextLayout layout) {
         int pageIndex = tango.text.Util.locatePattern( segment, StyledTextPrintOptions.PAGE_TAG );
         if (pageIndex !is segment.length ) {
             int pageTagLength = StyledTextPrintOptions.PAGE_TAG.length;
@@ -676,7 +676,7 @@
             FontMetrics metrics = layout.getLineMetrics(0);
             printLayout.setAscent(metrics.getAscent() + metrics.getDescent());
             printLayout.setDescent(metrics.getDescent());
-            printLayout.setText( to!(char[])(index) );
+            printLayout.setText( to!(String)(index) );
             int paintX = x - printMargin - printLayout.getBounds().width;
             printLayout.draw(gc, paintX, y);
             printLayout.setAscent(-1);
@@ -689,7 +689,7 @@
      * Starts a print job and prints the pages specified in the constructor.
      */
     public void run() {
-        char[] jobName = printOptions.jobName;
+        String jobName = printOptions.jobName;
         if (jobName is null) {
             jobName = "Printing";
         }
@@ -804,12 +804,12 @@
      * Don't write Unicode RTF on Windows 95/98/ME or NT.
      */
     void setUnicode() {
-//         const char[] Win95 = "windows 95";
-//         const char[] Win98 = "windows 98";
-//         const char[] WinME = "windows me";
-//         const char[] WinNT = "windows nt";
-//         char[] osName = System.getProperty("os.name").toLowerCase();
-//         char[] osVersion = System.getProperty("os.version");
+//         const String Win95 = "windows 95";
+//         const String Win98 = "windows 98";
+//         const String WinME = "windows me";
+//         const String WinNT = "windows nt";
+//         String osName = System.getProperty("os.name").toLowerCase();
+//         String osVersion = System.getProperty("os.version");
 //         int majorVersion = 0;
 //
 //         if (osName.startsWith(WinNT) && osVersion !is null) {
@@ -839,7 +839,7 @@
      * @param start start offset of segment. 0 based.
      * @param end end offset of segment
      */
-    void write(char[] string, int start, int end) {
+    void write(String string, int start, int end) {
         wchar[] wstring = tango.text.convert.Utf.toString16( string[ start .. end ] );
         start = 0;
         end = wstring.length;
@@ -852,7 +852,7 @@
                     write(tango.text.convert.Utf.toString(wstring[start .. index ]));
                 }
                 write("\\u");
-                write( to!(char[])( cast(short)ch ));
+                write( to!(String)( cast(short)ch ));
                 write(' ');                     // control word delimiter
                 start = index + 1;
             } else if (ch is '}' || ch is '{' || ch is '\\') {
@@ -881,8 +881,8 @@
         header.append("{\\rtf1\\ansi");
         // specify code page, necessary for copy to work in bidi
         // systems that don't support Unicode RTF.
-        // PORTING_TODO: char[] cpg = System.getProperty("file.encoding").toLowerCase();
-        char[] cpg = "UTF16";
+        // PORTING_TODO: String cpg = System.getProperty("file.encoding").toLowerCase();
+        String cpg = "UTF16";
         /+
         if (cpg.startsWith("cp") || cpg.startsWith("ms")) {
             cpg = cpg.substring(2, cpg.length());
@@ -934,7 +934,7 @@
      *   <li>ERROR_IO when the writer is closed.</li>
      * </ul>
      */
-    public override void writeLine(char[] line, int lineOffset) {
+    public override void writeLine(String line, int lineOffset) {
         if (isClosed()) {
             DWT.error(DWT.ERROR_IO);
         }
@@ -971,7 +971,7 @@
      *   <li>ERROR_IO when the writer is closed.</li>
      * </ul>
      */
-    public override void writeLineDelimiter(char[] lineDelimiter) {
+    public override void writeLineDelimiter(String lineDelimiter) {
         if (isClosed()) {
             DWT.error(DWT.ERROR_IO);
         }
@@ -996,7 +996,7 @@
      * @param lineBackground line background color to use for formatting.
      *  May be null.
      */
-    void writeStyledLine(char[] line, int lineOffset, int ranges[], StyleRange[] styles, Color lineBackground, int indent, int alignment, bool justify) {
+    void writeStyledLine(String line, int lineOffset, int ranges[], StyleRange[] styles, Color lineBackground, int indent, int alignment, bool justify) {
         int lineLength = line.length;
         int startOffset = getStart();
         int writeOffset = startOffset - lineOffset;
@@ -1174,13 +1174,13 @@
      *
      * @return the string
      */
-    public override char[] toString() {
+    public override String toString() {
         return buffer.toString();
     }
     /**
      * Appends the given string to the data.
      */
-    void write(char[] string) {
+    void write(String string) {
         buffer.append(string);
     }
     /**
@@ -1192,7 +1192,7 @@
      * @param string text to insert
      * @param offset offset in the existing data to insert "string" at.
      */
-    void write(char[] string, int offset) {
+    void write(String string, int offset) {
         if (offset < 0 || offset > buffer.length()) {
             return;
         }
@@ -1223,7 +1223,7 @@
      *   <li>ERROR_IO when the writer is closed.</li>
      * </ul>
      */
-    public void writeLine(char[] line, int lineOffset) {
+    public void writeLine(String line, int lineOffset) {
         if (isClosed_) {
             DWT.error(DWT.ERROR_IO);
         }
@@ -1250,7 +1250,7 @@
      *   <li>ERROR_IO when the writer is closed.</li>
      * </ul>
      */
-    public void writeLineDelimiter(char[] lineDelimiter) {
+    public void writeLineDelimiter(String lineDelimiter) {
         if (isClosed_) {
             DWT.error(DWT.ERROR_IO);
         }
@@ -1567,7 +1567,7 @@
  * Appends a string to the text at the end of the widget.
  *
  * @param string the string to be appended
- * @see #replaceTextRange(int,int,char[])
+ * @see #replaceTextRange(int,int,String)
  * @exception DWTException <ul>
  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
@@ -1576,7 +1576,7 @@
  *    <li>ERROR_NULL_ARGUMENT when listener is null</li>
  * </ul>
  */
-public void append(char[] string) {
+public void append(String string) {
     checkWidget();
     if (string is null) {
         DWT.error(DWT.ERROR_NULL_ARGUMENT);
@@ -1891,7 +1891,7 @@
  *  specified by the model. Returns only the first line if the widget
  *  has the DWT.SINGLE style.
  */
-char[] getModelDelimitedText(char[] text) {
+String getModelDelimitedText(String text) {
     int length = text.length;
     if (length is 0) {
         return text;
@@ -1900,7 +1900,7 @@
     int lfIndex = 0;
     int i = 0;
     StringBuffer convertedText = new StringBuffer(length);
-    char[] delimiter = getLineDelimiter();
+    String delimiter = getLineDelimiter();
     while (i < length) {
         if (crIndex !is -1) {
             crIndex = tango.text.Util.locate( text, DWT.CR, i);
@@ -2255,7 +2255,7 @@
         // tab character (tabs are always inserted without overwriting)?
         int lineIndex = content.getLineAtOffset(event.end);
         int lineOffset = content.getOffsetAtLine(lineIndex);
-        char[] line = content.getLine(lineIndex);
+        String line = content.getLine(lineIndex);
         // replace character at caret offset if the caret is not at the
         // end of the line
         if (event.end < lineOffset + line.length) {
@@ -3246,7 +3246,7 @@
 }
 Rectangle getBoundsAtOffset(int offset) {
     int lineIndex = content.getLineAtOffset(offset);
-    char[] line = content.getLine(lineIndex);
+    String line = content.getLine(lineIndex);
     Rectangle bounds;
     if (line.length !is 0) {
         int offsetInLine = offset - content.getOffsetAtLine(lineIndex);
@@ -3574,7 +3574,7 @@
  * @param line line to get line background data for
  * @return line background data for the given line.
  */
-StyledTextEvent getLineBackgroundData(int lineOffset, char[] line) {
+StyledTextEvent getLineBackgroundData(int lineOffset, String line) {
     return sendLineEvent(LineGetBackground, lineOffset, line);
 }
 /**
@@ -3615,7 +3615,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public char[] getLineDelimiter() {
+public String getLineDelimiter() {
     checkWidget();
     return content.getLineDelimiter();
 }
@@ -3753,7 +3753,7 @@
  * @return line style data for the given line. Styles may start before
  *  line start and end after line end
  */
-StyledTextEvent getLineStyleData(int lineOffset, char[] line) {
+StyledTextEvent getLineStyleData(int lineOffset, String line) {
     return sendLineEvent(LineGetStyle, lineOffset, line);
 }
 /**
@@ -3915,7 +3915,7 @@
     int x = point.x + horizontalScrollOffset - leftMargin ;
     int y = point.y - getLinePixel(lineIndex);
     int offsetInLine = layout.getOffset(x, y, trailing);
-    char[] line = content.getLine(lineIndex);
+    String line = content.getLine(lineIndex);
     if (offsetInLine !is line.length - 1) {
         offsetInLine = Math.min(line.length, offsetInLine + trailing[0]);
     }
@@ -3953,7 +3953,7 @@
             offsetInLine += trailing[0];
             caretAlignment = PREVIOUS_OFFSET_TRAILING;
         } else {
-            char[] line = content.getLine(lineIndex);
+            String line = content.getLine(lineIndex);
             int level;
             int offset = offsetInLine;
             while (offset > 0 && tango.text.Unicode.isDigit(line[offset])) offset--;
@@ -4023,11 +4023,11 @@
  * @return the content in the specified range using the platform line
  *  delimiter to separate lines as written by the specified TextWriter.
  */
-char[] getPlatformDelimitedText(TextWriter writer) {
+String getPlatformDelimitedText(TextWriter writer) {
     int end = writer.getStart() + writer.getCharCount();
     int startLine = content.getLineAtOffset(writer.getStart());
     int endLine = content.getLineAtOffset(end);
-    char[] endLineText = content.getLine(endLine);
+    String endLineText = content.getLine(endLine);
     int endLineOffset = content.getOffsetAtLine(endLine);
 
     for (int i = startLine; i <= endLine; i++) {
@@ -4216,7 +4216,7 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public char[] getSelectionText() {
+public String getSelectionText() {
     checkWidget();
     return content.getTextRange(selection.x, selection.y - selection.x);
 }
@@ -4248,7 +4248,7 @@
  *      exceed the line length or have duplicates</li>
  * </ul>
  */
-int [] getBidiSegments(int lineOffset, char[] line) {
+int [] getBidiSegments(int lineOffset, String line) {
     if (!isBidi()) return null;
     if (!isListening(LineGetSegments)) {
         return getBidiSegmentsCompatibility(line, lineOffset);
@@ -4285,7 +4285,7 @@
  * @see #getBidiSegments
  * Supports deprecated setBidiColoring API. Remove when API is removed.
  */
-int [] getBidiSegmentsCompatibility(char[] line, int lineOffset) {
+int [] getBidiSegmentsCompatibility(String line, int lineOffset) {
     int lineLength = line.length;
     if (!bidiColoring) {
         return [0, lineLength];
@@ -4539,14 +4539,14 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public char[] getText() {
+public String getText() {
     checkWidget();
     return content.getTextRange(0, getCharCount());
 }
 /**
  * Returns the widget content between the two offsets.
  *
- * @param start offset of the first character in the returned char[]
+ * @param start offset of the first character in the returned String
  * @param end offset of the last character in the returned String
  * @return widget content starting at start and ending at end
  * @see #getTextRange(int,int)
@@ -4558,7 +4558,7 @@
  *   <li>ERROR_INVALID_RANGE when start and/or end are outside the widget content</li>
  * </ul>
  */
-public char[] getText(int start, int end) {
+public String getText(int start, int end) {
     checkWidget();
     int contentLength = getCharCount();
     if (start < 0 || start >= contentLength || end < 0 || end >= contentLength || start > end) {
@@ -4600,7 +4600,7 @@
             if (i is lineStart && i is lineEnd) {
                 rect = layout.getBounds(start - lineOffset, end - lineOffset);
             } else if (i is lineStart) {
-                char[] line = content.getLine(i);
+                String line = content.getLine(i);
                 rect = layout.getBounds(start - lineOffset, line.length);
             } else if (i is lineEnd) {
                 rect = layout.getBounds(0, end - lineOffset);
@@ -4633,7 +4633,7 @@
  *   <li>ERROR_INVALID_RANGE when start and/or length are outside the widget content</li>
  * </ul>
  */
-public char[] getTextRange(int start, int length) {
+public String getTextRange(int start, int length) {
     checkWidget();
     int contentLength = getCharCount();
     int end = start + length;
@@ -4730,7 +4730,7 @@
     updateCaretDirection = false;
     int caretLine = getCaretLine();
     int lineOffset = content.getOffsetAtLine(caretLine);
-    char[] line = content.getLine(caretLine);
+    String line = content.getLine(caretLine);
     int offset = caretOffset - lineOffset;
     int lineLength = line.length;
     if (lineLength is 0) return isMirrored() ? DWT.RIGHT : DWT.LEFT;
@@ -4760,7 +4760,7 @@
 }
 int getWordNext (int offset, int movement) {
     int newOffset, lineOffset;
-    char[] lineText;
+    String lineText;
     if (offset >= getCharCount()) {
         newOffset = offset;
         int lineIndex = content.getLineCount() - 1;
@@ -4783,7 +4783,7 @@
 }
 int getWordPrevious(int offset, int movement) {
     int newOffset, lineOffset;
-    char[] lineText;
+    String lineText;
     if (offset <= 0) {
         newOffset = 0;
         int lineIndex = content.getLineAtOffset(newOffset);
@@ -4794,7 +4794,7 @@
         lineOffset = content.getOffsetAtLine(lineIndex);
         lineText = content.getLine(lineIndex);
         if (offset is lineOffset) {
-            char[] nextLineText = content.getLine(lineIndex - 1);
+            String nextLineText = content.getLine(lineIndex - 1);
             int nextLineOffset = content.getOffsetAtLine(lineIndex - 1);
             newOffset = nextLineOffset + nextLineText.length;
         } else {
@@ -4825,7 +4825,7 @@
  */
 Point getPointAtOffset(int offset) {
     int lineIndex = content.getLineAtOffset(offset);
-    char[] line = content.getLine(lineIndex);
+    String line = content.getLine(lineIndex);
     int lineOffset = content.getOffsetAtLine(lineIndex);
     int offsetInLine = offset - lineOffset;
     int lineLength = line.length;
@@ -4867,7 +4867,7 @@
  * Inserts a string.  The old selection is replaced with the new text.
  *
  * @param string the string
- * @see #replaceTextRange(int,int,char[])
+ * @see #replaceTextRange(int,int,String)
  * @exception DWTException <ul>
  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
@@ -4876,7 +4876,7 @@
  *    <li>ERROR_NULL_ARGUMENT when string is null</li>
  * </ul>
  */
-public void insert(char[] string) {
+public void insert(String string) {
     checkWidget();
     if (string is null) {
         DWT.error(DWT.ERROR_NULL_ARGUMENT);
@@ -5210,7 +5210,7 @@
     //paste clipboard selection
     if (event.button is 2) {
         auto o = cast(ArrayWrapperString)getClipboardContent(DND.SELECTION_CLIPBOARD);
-        char[] text = o.array;
+        String text = o.array;
         if (text !is null && text.length > 0) {
             // position cursor
             doMouseLocationChange(event.x, event.y, false);
@@ -5526,7 +5526,7 @@
     final Accessible accessible = getAccessible();
     accessible.addAccessibleListener(new class() AccessibleAdapter {
         public void getName (AccessibleEvent e) {
-            char[] name = null;
+            String name = null;
             Label label = getAssociatedLabel ();
             if (label !is null) {
                 name = stripMnemonic (label.getText());
@@ -5537,10 +5537,10 @@
             e.result = getToolTipText();
         }
         public void getKeyboardShortcut(AccessibleEvent e) {
-            char[] shortcut = null;
+            String shortcut = null;
             Label label = getAssociatedLabel ();
             if (label !is null) {
-                char[] text = label.getText ();
+                String text = label.getText ();
                 if (text !is null) {
                     dchar mnemonic = _findMnemonic (text);
                     if (mnemonic !is '\0') {
@@ -5600,7 +5600,7 @@
     }
     return null;
 }
-char[] stripMnemonic (char[] string) {
+String stripMnemonic (String string) {
     int index = 0;
     int length_ = string.length;
     do {
@@ -5618,7 +5618,7 @@
  * an '&' character in the given string. If there are no '&'
  * characters in the given string, return '\0'.
  */
-dchar _findMnemonic (char[] string) {
+dchar _findMnemonic (String string) {
     if (string is null) return '\0';
     int index = 0;
     int length_ = string.length;
@@ -5918,7 +5918,7 @@
  */
 public void paste(){
     checkWidget();
-    char[] text = (cast(ArrayWrapperString) getClipboardContent(DND.CLIPBOARD)).array;
+    String text = (cast(ArrayWrapperString) getClipboardContent(DND.CLIPBOARD)).array;
     if (text !is null && text.length > 0) {
         Event event = new Event();
         event.start = selection.x;
@@ -6395,7 +6395,7 @@
  *   <li>ERROR_NULL_ARGUMENT when string is null</li>
  * </ul>
  */
-public void replaceTextRange(int start, int length, char[] text) {
+public void replaceTextRange(int start, int length, String text) {
     checkWidget();
     if (text is null) {
         DWT.error(DWT.ERROR_NULL_ARGUMENT);
@@ -6638,7 +6638,7 @@
  * @return StyledTextEvent that can be used to request line data
  *  for the given line.
  */
-StyledTextEvent sendLineEvent(int eventType, int lineOffset, char[] line) {
+StyledTextEvent sendLineEvent(int eventType, int lineOffset, String line) {
     StyledTextEvent event = null;
     if (isListening(eventType)) {
         event = new StyledTextEvent(content);
@@ -6675,7 +6675,7 @@
     event.y = selection.y;
     notifyListeners(DWT.Selection, event);
 }
-int sendWordBoundaryEvent(int eventType, int movement, int offset, int newOffset, char[] lineText, int lineOffset) {
+int sendWordBoundaryEvent(int eventType, int movement, int offset, int newOffset, String lineText, int lineOffset) {
     if (isListening(eventType)) {
         StyledTextEvent event = new StyledTextEvent(content);
         event.detail = lineOffset;
@@ -6874,7 +6874,7 @@
     if (clipboardType is DND.SELECTION_CLIPBOARD && !(IS_MOTIF || IS_GTK)) return;
     TextTransfer plainTextTransfer = TextTransfer.getInstance();
     TextWriter plainTextWriter = new TextWriter(start, length);
-    char[] plainText = getPlatformDelimitedText(plainTextWriter);
+    String plainText = getPlatformDelimitedText(plainTextWriter);
     Object[] data;
     Transfer[] types;
     if (clipboardType is DND.SELECTION_CLIPBOARD) {
@@ -6883,7 +6883,7 @@
     } else {
         RTFTransfer rtfTransfer = RTFTransfer.getInstance();
         RTFWriter rtfWriter = new RTFWriter(start, length);
-        char[] rtfText = getPlatformDelimitedText(rtfWriter);
+        String rtfText = getPlatformDelimitedText(rtfWriter);
         data = [ cast(Object) new ArrayWrapperString(rtfText), new ArrayWrapperString(plainText) ];
         types = [ cast(Transfer)rtfTransfer, plainTextTransfer];
     }
@@ -8034,7 +8034,7 @@
  *    <li>ERROR_NULL_ARGUMENT when string is null</li>
  * </ul>
  */
-public void setText(char[] text) {
+public void setText(String text) {
     checkWidget();
     if (text is null) {
         DWT.error(DWT.ERROR_NULL_ARGUMENT);

--- a/dwt/custom/StyledTextContent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/StyledTextContent.d	Mon May 05 00:12:38 2008 +0200
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -13,6 +13,8 @@
 module dwt.custom.StyledTextContent;
 
 import dwt.custom.TextChangeListener;
+import dwt.dwthelper.utils;
+
 /**
  * Clients may implement the StyledTextContent interface to provide a
  * custom store for the StyledText widget content. The StyledText widget
@@ -53,7 +55,7 @@
  *  content.
  * @return the line text without delimiters
  */
-public char[] getLine(int lineIndex);
+public String getLine(int lineIndex);
 
 /**
  * Return the line index at the given character offset.
@@ -103,7 +105,7 @@
  * @return the line delimiter that should be used by the StyledText widget
  *  when inserting new lines.
  */
-public char[] getLineDelimiter();
+public String getLineDelimiter();
 
 /**
  * Return the character offset of the first character of the given line.
@@ -134,7 +136,7 @@
  * @param length the length of the text to return
  * @return the text at the given range
  */
-public char[] getTextRange(int start, int length);
+public String getTextRange(int start, int length);
 
 /**
  * Remove the specified text changed listener.
@@ -192,7 +194,7 @@
  * @param text text to replace
  * @see TextChangeListener
  */
-public void replaceTextRange(int start, int replaceLength, char[] text);
+public void replaceTextRange(int start, int replaceLength, String text);
 
 /**
  * Set text to "text".
@@ -204,5 +206,5 @@
  * @param text the new text
  * @see TextChangeListener
  */
-public void setText(char[] text);
+public void setText(String text);
 }

--- a/dwt/custom/StyledTextEvent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/StyledTextEvent.d	Mon May 05 00:12:38 2008 +0200
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*******************************************************************************
  * Copyright (c) 2000, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -18,6 +18,7 @@
 import dwt.custom.StyleRange;
 import dwt.custom.Bullet;
 import dwt.custom.StyledTextContent;
+import dwt.dwthelper.utils;
 
 /**
  *

--- a/dwt/custom/StyledTextPrintOptions.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/StyledTextPrintOptions.d	Mon May 05 00:12:38 2008 +0200
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -12,6 +12,8 @@
  *******************************************************************************/
 module dwt.custom.StyledTextPrintOptions;
 
+import dwt.dwthelper.utils;
+
 /**
  * Use StyledTextPrintOptions to specify printing options for the
  * StyledText.print(Printer, StyledTextPrintOptions) API.
@@ -36,12 +38,12 @@
      * Page number placeholder constant for use in <code>header</code>
      * and <code>footer</code>. Value is <code>&lt;page&gt;</code>
      */
-    public static final char[] PAGE_TAG = "<page>";
+    public static final String PAGE_TAG = "<page>";
     /**
      * Separator constant for use in <code>header</code> and
      * <code>footer</code>. Value is <code>\t</code>
      */
-    public static final char[] SEPARATOR = "\t";
+    public static final String SEPARATOR = "\t";
     /**
      * Formatted text to print in the header of each page.
      * <p>"left '\t' center '\t' right"</p>
@@ -52,7 +54,7 @@
      * left aligned, centered and right aligned. They are separated by a tab
      * character (<code>StyledTextPrintOptions.SEPARATOR</code>).
      */
-    public char[] header = null;
+    public String header = null;
     /**
      * Formatted text to print in the footer of each page.
      * <p>"left '\t' center '\t' right"</p>
@@ -63,11 +65,11 @@
      * left aligned, centered and right aligned. They are separated by a tab
      * character (<code>StyledTextPrintOptions.SEPARATOR</code>).
      */
-    public char[] footer = null;
+    public String footer = null;
     /**
      * Name of the print job.
      */
-    public char[] jobName = null;
+    public String jobName = null;
 
     /**
      * Print the text foreground color. Default value is <code>false</code>.

--- a/dwt/custom/StyledTextRenderer.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/StyledTextRenderer.d	Mon May 05 00:12:38 2008 +0200
@@ -359,11 +359,11 @@
     }
     Font font = style.font;
     if (font !is null) gc.setFont(font);
-    char[] string = "";
+    String string = "";
     int type = bullet.type & (ST.BULLET_DOT|ST.BULLET_NUMBER|ST.BULLET_LETTER_LOWER|ST.BULLET_LETTER_UPPER);
     switch (type) {
         case ST.BULLET_DOT: string = "\u2022"; break;
-        case ST.BULLET_NUMBER: string = to!(char[])(index); break;
+        case ST.BULLET_NUMBER: string = to!(String)(index); break;
         case ST.BULLET_LETTER_LOWER: string = [cast(char) (index % 26 + 97)]; break;
         case ST.BULLET_LETTER_UPPER: string = [cast(char) (index % 26 + 65)]; break;
         default:
@@ -384,7 +384,7 @@
 }
 int drawLine(int lineIndex, int paintX, int paintY, GC gc, Color widgetBackground, Color widgetForeground) {
     TextLayout layout = getTextLayout(lineIndex);
-    char[] line = content.getLine(lineIndex);
+    String line = content.getLine(lineIndex);
     int lineOffset = content.getOffsetAtLine(lineIndex);
     int lineLength = line.length;
     Point selection = styledText.getSelection();
@@ -731,7 +731,7 @@
         }
     }
     if (layout is null) layout = new TextLayout(device);
-    char[] line = content.getLine(lineIndex);
+    String line = content.getLine(lineIndex);
     int lineOffset = content.getOffsetAtLine(lineIndex);
     int[] segments = null;
     int indent = 0;

--- a/dwt/custom/TableCursor.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/TableCursor.d	Mon May 05 00:12:38 2008 +0200
@@ -438,12 +438,12 @@
         gc.drawImage(image, x, imageY);
         x += imageSize.width;
     }
-    char[] text = row.getText(columnIndex);
+    String text = row.getText(columnIndex);
     if (text.length > 0) {
         Rectangle bounds = row.getBounds(columnIndex);
         Point extent = gc.stringExtent(text);
         // Temporary code - need a better way to determine table trim
-        char[] platform = DWT.getPlatform();
+        String platform = DWT.getPlatform();
         if ("win32"==platform) { //$NON-NLS-1$
             if (table.getColumnCount() is 0 || columnIndex is 0) {
                 x += 2;

--- a/dwt/custom/TableEditor.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/TableEditor.d	Mon May 05 00:12:38 2008 +0200
@@ -41,7 +41,7 @@
 *   TableColumn column2 = new TableColumn(table, DWT.NONE);
 *   for (int i = 0; i < 10; i++) {
 *       TableItem item = new TableItem(table, DWT.NONE);
-*       item.setText(new char[][] {"item " + i, "edit this value"});
+*       item.setText(new String[] {"item " + i, "edit this value"});
 *   }
 *   column1.pack();
 *   column2.pack();

--- a/dwt/custom/TableTree.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/TableTree.d	Mon May 05 00:12:38 2008 +0200
@@ -85,9 +85,9 @@
     bool inDispose = false;
 
     static final TableTreeItem[] EMPTY_ITEMS;
-    static final char[][] EMPTY_TEXTS;
+    static final String[] EMPTY_TEXTS;
     static final Image[] EMPTY_IMAGES;
-    static final char[] ITEMID = "TableTreeItemID"; //$NON-NLS-1$
+    static final String ITEMID = "TableTreeItemID"; //$NON-NLS-1$
 
 /**
  * Constructs a new instance of this class given its parent
@@ -791,7 +791,7 @@
     }
     table.setSelection(tableItems);
 }
-public override void setToolTipText (char[] string) {
+public override void setToolTipText (String string) {
     super.setToolTipText(string);
     table.setToolTipText(string);
 }

--- a/dwt/custom/TableTreeItem.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/TableTreeItem.d	Mon May 05 00:12:38 2008 +0200
@@ -42,7 +42,7 @@
     TableTree parent;
     TableTreeItem parentItem;
     TableTreeItem [] items;
-    char[][] texts;
+    String[] texts;
     Image[] images;
     Color background;
     Color foreground;
@@ -488,7 +488,7 @@
     //checkWidget();
     return parentItem;
 }
-public override char[] getText () {
+public override String getText () {
     checkWidget();
     return getText(0);
 }
@@ -505,7 +505,7 @@
  * @param index the index of the item
  * @return the item text at the specified index, which can be null
  */
-public char[] getText(int index) {
+public String getText(int index) {
     //checkWidget();
     if (0 <= index && index < texts.length) return texts[index];
     return null;
@@ -827,20 +827,20 @@
  *      <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li>
  *  </ul>
  */
-public void setText(int index, char[] text) {
+public void setText(int index, String text) {
     checkWidget();
     if (text is null) DWT.error (DWT.ERROR_NULL_ARGUMENT);
     int columnCount = Math.max(parent.getTable().getColumnCount(), 1);
     if (index < 0 || index >= columnCount) return;
     if (texts.length < columnCount) {
-        char[][] newTexts = new char[][columnCount];
+        String[] newTexts = new String[columnCount];
         System.arraycopy(texts, 0, newTexts, 0, texts.length);
         texts = newTexts;
     }
     texts[index] = text;
     if (tableItem !is null) tableItem.setText(index, text);
 }
-public override void setText (char[] string) {
+public override void setText (String string) {
     setText(0, string);
 }
 

--- a/dwt/custom/TextChangingEvent.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/TextChangingEvent.d	Mon May 05 00:12:38 2008 +0200
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*******************************************************************************
  * Copyright (c) 2000, 2004 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -16,6 +16,7 @@
 import dwt.events.TypedEvent;
 import dwt.custom.StyledTextContent;
 import dwt.custom.StyledTextEvent;
+import dwt.dwthelper.utils;
 
 /**
  * This event is sent by the StyledTextContent implementor when a change
@@ -30,7 +31,7 @@
      * Text that is going to be inserted or empty string
      * if no text will be inserted
      */
-    public char[] newText;
+    public String newText;
     /**
      * Length of text that is going to be replaced
      */

--- a/dwt/custom/ViewForm.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/custom/ViewForm.d	Mon May 05 00:12:38 2008 +0200
@@ -27,6 +27,7 @@
 import dwt.widgets.Layout;
 import dwt.widgets.Listener;
 import dwt.custom.ViewFormLayout;
+import dwt.dwthelper.utils;
 
 /**
  * Instances of this class implement a Composite that positions and sizes

--- a/dwt/dnd/Clipboard.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dnd/Clipboard.d	Mon May 05 00:12:38 2008 +0200
@@ -108,8 +108,8 @@
  * </ul>
  */
 protected void checkSubclass () {
-    char[] name = this.classinfo.name;
-    char[] validName = Clipboard.classinfo.name;
+    String name = this.classinfo.name;
+    String validName = Clipboard.classinfo.name;
     if (validName!=/*eq*/name) {
         DND.error (DWT.ERROR_INVALID_SUBCLASS);
     }
@@ -721,10 +721,10 @@
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
-public char[][] getAvailableTypeNames() {
+public String[] getAvailableTypeNames() {
     checkWidget();
     FORMATETC*[] types = _getAvailableTypes();
-    char[][] names = new char[][](types.length);
+    String[] names = new String[](types.length);
     int maxSize = 128;
     for (int i = 0; i < types.length; i++){
         TCHAR[] buffer = NewTCHARs(0, maxSize);

--- a/dwt/dnd/DND.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dnd/DND.d	Mon May 05 00:12:38 2008 +0200
@@ -18,6 +18,7 @@
 import dwt.DWTException;
 
 import tango.util.Convert;
+import dwt.dwthelper.utils;
 
 /**
  *
@@ -200,10 +201,10 @@
     public static const int ERROR_INVALID_DATA = 2003;
 
 
-    static const char[] INIT_DRAG_MESSAGE = "Cannot initialize Drag"; //$NON-NLS-1$
-    static const char[] INIT_DROP_MESSAGE = "Cannot initialize Drop"; //$NON-NLS-1$
-    static const char[] CANNOT_SET_CLIPBOARD_MESSAGE = "Cannot set data in clipboard"; //$NON-NLS-1$
-    static const char[] INVALID_DATA_MESSAGE = "Data does not have correct format for type"; //$NON-NLS-1$
+    static const String INIT_DRAG_MESSAGE = "Cannot initialize Drag"; //$NON-NLS-1$
+    static const String INIT_DROP_MESSAGE = "Cannot initialize Drop"; //$NON-NLS-1$
+    static const String CANNOT_SET_CLIPBOARD_MESSAGE = "Cannot set data in clipboard"; //$NON-NLS-1$
+    static const String INVALID_DATA_MESSAGE = "Data does not have correct format for type"; //$NON-NLS-1$
 
 /**
  * Throws an appropriate exception based on the passed in error code.
@@ -243,23 +244,23 @@
     switch (code) {
         /* OS Failure/Limit (fatal, may occur only on some platforms) */
         case DND.ERROR_CANNOT_INIT_DRAG:{
-            char[] msg = DND.INIT_DRAG_MESSAGE;
-            if (hresult !is 0) msg ~= " result = "~to!(char[])(hresult); //$NON-NLS-1$
+            String msg = DND.INIT_DRAG_MESSAGE;
+            if (hresult !is 0) msg ~= " result = "~to!(String)(hresult); //$NON-NLS-1$
             throw new DWTError (code, msg);
         }
         case DND.ERROR_CANNOT_INIT_DROP:{
-            char[] msg = DND.INIT_DROP_MESSAGE;
-            if (hresult !is 0) msg ~= " result = "~to!(char[])(hresult); //$NON-NLS-1$
+            String msg = DND.INIT_DROP_MESSAGE;
+            if (hresult !is 0) msg ~= " result = "~to!(String)(hresult); //$NON-NLS-1$
             throw new DWTError (code, msg);
         }
         case DND.ERROR_CANNOT_SET_CLIPBOARD:{
-            char[] msg = DND.CANNOT_SET_CLIPBOARD_MESSAGE;
-            if (hresult !is 0) msg ~= " result = "~to!(char[])(hresult); //$NON-NLS-1$
+            String msg = DND.CANNOT_SET_CLIPBOARD_MESSAGE;
+            if (hresult !is 0) msg ~= " result = "~to!(String)(hresult); //$NON-NLS-1$
             throw new DWTError (code, msg);
         }
         case DND.ERROR_INVALID_DATA:{
-            char[] msg = DND.INVALID_DATA_MESSAGE;
-            if (hresult !is 0) msg ~= " result = "~to!(char[])(hresult); //$NON-NLS-1$
+            String msg = DND.INVALID_DATA_MESSAGE;
+            if (hresult !is 0) msg ~= " result = "~to!(String)(hresult); //$NON-NLS-1$
             throw new DWTException (code, msg);
         }
         default:

--- a/dwt/dnd/DragSource.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dnd/DragSource.d	Mon May 05 00:12:38 2008 +0200
@@ -141,8 +141,8 @@
     //workaround - track the operation performed by the drop target for DragEnd event
     int dataEffect = DND.DROP_NONE;
 
-    static const char[] DEFAULT_DRAG_SOURCE_EFFECT = "DEFAULT_DRAG_SOURCE_EFFECT"; //$NON-NLS-1$
-    static const char[] DRAGSOURCEID = "DragSource"; //$NON-NLS-1$
+    static const String DEFAULT_DRAG_SOURCE_EFFECT = "DEFAULT_DRAG_SOURCE_EFFECT"; //$NON-NLS-1$
+    static const String DRAGSOURCEID = "DragSource"; //$NON-NLS-1$
     static const int CFSTR_PERFORMEDDROPEFFECT;
     static final TCHAR[] WindowClass = "#32770\0";
     static this(){
@@ -275,8 +275,8 @@
 }
 
 protected void checkSubclass() {
-    char[] name = this.classinfo.name;
-    char[] validName = DragSource.classinfo.name;
+    String name = this.classinfo.name;
+    String validName = DragSource.classinfo.name;
     if (validName!=/*eq*/name) {
         DND.error(DWT.ERROR_INVALID_SUBCLASS);
     }
@@ -300,7 +300,7 @@
     uint[1] pdwEffect;
     int operations = opToOs(getStyle());
     Display display = control.getDisplay();
-    char[] key = "dwt.internal.win32.runMessagesInIdle"; //$NON-NLS-1$
+    String key = "dwt.internal.win32.runMessagesInIdle"; //$NON-NLS-1$
     Object oldValue = display.getData(key);
     display.setData(key, new ValueWrapperBool(true));
     ImageList imagelist = null;

--- a/dwt/dnd/DropTarget.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dnd/DropTarget.d	Mon May 05 00:12:38 2008 +0200
@@ -114,8 +114,8 @@
     _IDropTargetImpl iDropTarget;
     int refCount;
 
-    static final char[] DEFAULT_DROP_TARGET_EFFECT = "DEFAULT_DROP_TARGET_EFFECT"; //$NON-NLS-1$
-    static final char[] DROPTARGETID = "DropTarget"; //$NON-NLS-1$
+    static final String DEFAULT_DROP_TARGET_EFFECT = "DEFAULT_DROP_TARGET_EFFECT"; //$NON-NLS-1$
+    static final String DROPTARGETID = "DropTarget"; //$NON-NLS-1$
 
 /**
  * Creates a new <code>DropTarget</code> to allow data to be dropped on the specified
@@ -243,8 +243,8 @@
 }
 
 protected void checkSubclass () {
-    char[] name = this.classinfo.name;
-    char[] validName = DropTarget.classinfo.name;
+    String name = this.classinfo.name;
+    String validName = DropTarget.classinfo.name;
     if (validName!=/*eq*/name) {
         DND.error (DWT.ERROR_INVALID_SUBCLASS);
     }

--- a/dwt/dnd/DropTargetListener.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dnd/DropTargetListener.d	Mon May 05 00:12:38 2008 +0200
@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*******************************************************************************
  * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -14,6 +14,7 @@
 
 import dwt.internal.DWTEventListener;
 import dwt.dnd.DropTargetEvent;
+import dwt.dwthelper.utils;
 
 /**
  * The <code>DropTargetListener</code> class provides event notification to the application

--- a/dwt/dnd/FileTransfer.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dnd/FileTransfer.d	Mon May 05 00:12:38 2008 +0200
@@ -46,9 +46,9 @@
 public class FileTransfer : ByteArrayTransfer {
 
     private static FileTransfer _instance;
-    private static final char[] CF_HDROP = "CF_HDROP "; //$NON-NLS-1$
+    private static final String CF_HDROP = "CF_HDROP "; //$NON-NLS-1$
     private static final int CF_HDROPID = COM.CF_HDROP;
-    private static final char[] CF_HDROP_SEPARATOR = "\0"; //$NON-NLS-1$
+    private static final String CF_HDROP_SEPARATOR = "\0"; //$NON-NLS-1$
 
 private this() {}
 
@@ -84,7 +84,7 @@
     if (!checkFile(object) || !isSupportedType(transferData)) {
         DND.error(DND.ERROR_INVALID_DATA);
     }
-    char[][] fileNames;
+    String[] fileNames;
     if( auto strs = cast(ArrayWrapperString2) object ){
         fileNames = strs.array;
     }
@@ -142,7 +142,7 @@
     if (transferData.result !is COM.S_OK) return null;
     // How many files are there?
     int count = OS.DragQueryFile(stgmedium.unionField, 0xFFFFFFFF, null, 0);
-    char[][] fileNames = new char[][](count);
+    String[] fileNames = new String[](count);
     for (int i = 0; i < count; i++) {
         // How long is the name ?
         int size = OS.DragQueryFile(stgmedium.unionField, i, null, 0) + 1;
@@ -159,11 +159,11 @@
     return [CF_HDROPID];
 }
 
-protected char[][] getTypeNames(){
+protected String[] getTypeNames(){
     return [CF_HDROP];
 }
 bool checkFile(Object object) {
-    char[][] strings;
+    String[] strings;
     if( auto strs = cast(ArrayWrapperString2)object ){
         strings = strs.array;
     }

--- a/dwt/dnd/HTMLTransfer.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dnd/HTMLTransfer.d	Mon May 05 00:12:38 2008 +0200
@@ -40,14 +40,14 @@
 public class HTMLTransfer : ByteArrayTransfer {
 
     static HTMLTransfer _instance;
-    static const char[] HTML_FORMAT = "HTML Format"; //$NON-NLS-1$
+    static const String HTML_FORMAT = "HTML Format"; //$NON-NLS-1$
     static const int HTML_FORMATID;
-    static const char[] NUMBER = "00000000"; //$NON-NLS-1$
-    static const char[] HEADER = "Version:0.9\r\nStartHTML:"~NUMBER~"\r\nEndHTML:"~NUMBER~"\r\nStartFragment:"~NUMBER~"\r\nEndFragment:"~NUMBER~"\r\n";
-    static const char[] PREFIX = "<html><body><!--StartFragment-->"; //$NON-NLS-1$
-    static const char[] SUFFIX = "<!--EndFragment--></body></html>"; //$NON-NLS-1$
-    static const char[] StartFragment = "StartFragment:"; //$NON-NLS-1$
-    static const char[] EndFragment = "EndFragment:"; //$NON-NLS-1$
+    static const String NUMBER = "00000000"; //$NON-NLS-1$
+    static const String HEADER = "Version:0.9\r\nStartHTML:"~NUMBER~"\r\nEndHTML:"~NUMBER~"\r\nStartFragment:"~NUMBER~"\r\nEndFragment:"~NUMBER~"\r\n";
+    static const String PREFIX = "<html><body><!--StartFragment-->"; //$NON-NLS-1$
+    static const String SUFFIX = "<!--EndFragment--></body></html>"; //$NON-NLS-1$
+    static const String StartFragment = "StartFragment:"; //$NON-NLS-1$
+    static const String EndFragment = "EndFragment:"; //$NON-NLS-1$
 
 static this(){
     HTML_FORMATID = registerType(HTML_FORMAT);
@@ -84,7 +84,7 @@
     if (!checkHTML(object) || !isSupportedType(transferData)) {
         DND.error(DND.ERROR_INVALID_DATA);
     }
-    char[] string = ( cast(ArrayWrapperString)object ).array;
+    String string = ( cast(ArrayWrapperString)object ).array;
     int codePage = OS.GetACP();
     int cchMultiByte = OS.WideCharToMultiByte(codePage, 0, StrToTCHARz(string), -1, null, 0, null, null);
     if (cchMultiByte is 0) {
@@ -101,7 +101,7 @@
     int maxLength = NUMBER.length;
     //startHTML
     int start = buffer.toString().indexOf(NUMBER);
-    char[] temp = Integer.toString(startHTML);
+    String temp = Integer.toString(startHTML);
     buffer.select(start + maxLength-temp.length, temp.length);
     buffer.replace(temp);
     buffer.select();
@@ -173,12 +173,12 @@
             if (cchWideChar is 0) return null;
             wchar[] lpWideCharStr = new wchar [cchWideChar - 1];
             OS.MultiByteToWideChar (codePage, OS.MB_PRECOMPOSED, lpMultiByteStr, -1, lpWideCharStr.ptr, lpWideCharStr.length);
-            char[] string = WCHARzToStr(lpWideCharStr.ptr);
+            String string = WCHARzToStr(lpWideCharStr.ptr);
             int fragmentStart = 0, fragmentEnd = 0;
             int start = string.indexOf(StartFragment) + StartFragment.length;
             int end = start + 1;
             while (end < string.length) {
-                char[] s = string.substring(start, end);
+                String s = string.substring(start, end);
                 try {
                     fragmentStart = Integer.parseInt(s);
                     end++;
@@ -189,7 +189,7 @@
             start = string.indexOf(EndFragment) + EndFragment.length;
             end = start + 1;
             while (end < string.length) {
-                char[] s = string.substring(start, end);
+                String s = string.substring(start, end);
                 try {
                     fragmentEnd = Integer.parseInt(s);
                     end++;
@@ -202,11 +202,11 @@
              * FragmentStart and FragmentEnd are offsets in original byte stream, not
              * the wide char version of the byte stream.
              */
-            char[] s = string.substring(fragmentStart, fragmentEnd);
+            String s = string.substring(fragmentStart, fragmentEnd);
             /*
              * Firefox includes <!--StartFragment --> in the fragment, so remove it.
              */
-            char[] foxStart = "<!--StartFragment -->\r\n"; //$NON-NLS-1$
+            String foxStart = "<!--StartFragment -->\r\n"; //$NON-NLS-1$
             int prefix = s.indexOf(foxStart);
             if (prefix !is -1) {
                 prefix += foxStart.length;
@@ -223,7 +223,7 @@
 protected int[] getTypeIds(){
     return [HTML_FORMATID];
 }
-protected char[][] getTypeNames(){
+protected String[] getTypeNames(){
     return [HTML_FORMAT];
 }
 bool checkHTML(Object object) {

--- a/dwt/dnd/RTFTransfer.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dnd/RTFTransfer.d	Mon May 05 00:12:38 2008 +0200
@@ -41,7 +41,7 @@
 public class RTFTransfer : ByteArrayTransfer {
 
     private static RTFTransfer _instance;
-    private static const char[] CF_RTF = "Rich Text Format"; //$NON-NLS-1$
+    private static const String CF_RTF = "Rich Text Format"; //$NON-NLS-1$
     private static const int CF_RTFID;
 
 static this(){
@@ -80,7 +80,7 @@
         DND.error(DND.ERROR_INVALID_DATA);
     }
     // CF_RTF is stored as a null terminated byte array
-    char[] string = (cast(ArrayWrapperString)object).array;
+    String string = (cast(ArrayWrapperString)object).array;
     wchar* chars = StrToWCHARz(string);
     int codePage = OS.GetACP();
     int cchMultiByte = OS.WideCharToMultiByte(codePage, 0, chars, -1, null, 0, null, null);
@@ -142,7 +142,7 @@
     return [CF_RTFID];
 }
 
-protected char[][] getTypeNames(){
+protected String[] getTypeNames(){
     return [CF_RTF];
 }
 

--- a/dwt/dnd/TextTransfer.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dnd/TextTransfer.d	Mon May 05 00:12:38 2008 +0200
@@ -41,8 +41,8 @@
 public class TextTransfer : ByteArrayTransfer {
 
     private static TextTransfer _instance;
-    private static const char[] CF_UNICODETEXT = "CF_UNICODETEXT"; //$NON-NLS-1$
-    private static const char[] CF_TEXT = "CF_TEXT"; //$NON-NLS-1$
+    private static const String CF_UNICODETEXT = "CF_UNICODETEXT"; //$NON-NLS-1$
+    private static const String CF_TEXT = "CF_TEXT"; //$NON-NLS-1$
     private static const int CF_UNICODETEXTID = COM.CF_UNICODETEXT;
     private static const int CF_TEXTID = COM.CF_TEXT;
 
@@ -79,7 +79,7 @@
         DND.error(DND.ERROR_INVALID_DATA);
     }
     transferData.result = COM.E_FAIL;
-    char[] string = (cast(ArrayWrapperString)object).array;
+    String string = (cast(ArrayWrapperString)object).array;
     switch (transferData.type) {
         case COM.CF_UNICODETEXT: {
             wchar[] chars = StrToWCHARs(0,string, true);
@@ -188,7 +188,7 @@
     return [CF_UNICODETEXTID, CF_TEXTID];
 }
 
-protected char[][] getTypeNames(){
+protected String[] getTypeNames(){
     return [CF_UNICODETEXT, CF_TEXT];
 }
 

--- a/dwt/dnd/Transfer.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dnd/Transfer.d	Mon May 05 00:12:38 2008 +0200
@@ -16,6 +16,7 @@
 import dwt.internal.win32.OS;
 
 import dwt.dnd.TransferData;
+import dwt.dwthelper.utils;
 
 /**
  * <code>Transfer</code> provides a mechanism for converting between a java
@@ -71,7 +72,7 @@
  * @return the platform specific names of the data types that can be converted
  * using this transfer agent.
  */
-abstract protected char[][] getTypeNames();
+abstract protected String[] getTypeNames();
 
 /**
  * Converts a java representation of data to a platform specific representation of
@@ -133,7 +134,7 @@
  *
  * @return the unique identifier associated with this data type
  */
-public static int registerType(char[] formatName) {
+public static int registerType(String formatName) {
     // Look name up in the registry
     // If name is not in registry, add it and return assigned value.
     // If name already exists in registry, return its assigned value

--- a/dwt/dnd/URLTransfer.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dnd/URLTransfer.d	Mon May 05 00:12:38 2008 +0200
@@ -45,7 +45,7 @@
 /*public*/ class URLTransfer : ByteArrayTransfer {
 
     static URLTransfer _instance;
-    static const char[] CFSTR_INETURL = "UniformResourceLocator"; //$NON-NLS-1$
+    static const String CFSTR_INETURL = "UniformResourceLocator"; //$NON-NLS-1$
     static const int CFSTR_INETURLID;
 
 static this(){
@@ -85,7 +85,7 @@
     }
     transferData.result = COM.E_FAIL;
     // URL is stored as a null terminated byte array
-    char[] url = (cast(ArrayWrapperString2)object).array[0];
+    String url = (cast(ArrayWrapperString2)object).array[0];
     int codePage = OS.GetACP();
     wchar[] chars = StrToWCHARs(codePage, url, true );
     int cchMultiByte = OS.WideCharToMultiByte(codePage, 0, chars.ptr, -1, null, 0, null, null);
@@ -147,14 +147,14 @@
     return [CFSTR_INETURLID];
 }
 
-protected char[][] getTypeNames(){
+protected String[] getTypeNames(){
     return [CFSTR_INETURL];
 }
 
 bool checkURL(Object object) {
     if( auto s = cast(ArrayWrapperString2)object ){
         if( s.array.length is 0 ) return false;
-        char[][] strings = s.array;
+        String[] strings = s.array;
         if (strings[0] is null || strings[0].length is 0) return false;
         //PORTING_FIXME: how to validata URL?
         /+try {

--- a/dwt/dwthelper/ByteArrayOutputStream.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dwthelper/ByteArrayOutputStream.d	Mon May 05 00:12:38 2008 +0200
@@ -44,17 +44,17 @@
         return 0;
     }
 
-    public override char[] toString(){
+    public override String toString(){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
 
-    public char[] toString( char[] enc ){
+    public String toString( String enc ){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
 
-    public char[] toString( int hibyte ){
+    public String toString( int hibyte ){
         implMissing( __FILE__, __LINE__ );
         return null;
     }

--- a/dwt/dwthelper/File.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dwthelper/File.d	Mon May 05 00:12:38 2008 +0200
@@ -12,9 +12,9 @@
 public class File {
 
     public static char separatorChar;
-    public static char[] separator;
+    public static String separator;
     public static char pathSeparatorChar;
-    public static char[] pathSeparator;
+    public static String pathSeparator;
 
     private tango.io.FilePath.FilePath mFilePath;
 
@@ -25,15 +25,15 @@
         pathSeparatorChar = tango.io.FileConst.FileConst.SystemPathChar;
     }
 
-    public this ( char[] pathname ){
+    public this ( String pathname ){
         mFilePath = new tango.io.FilePath.FilePath( pathname );
     }
 
-    public this ( char[] parent, char[] child ){
+    public this ( String parent, String child ){
         mFilePath = new tango.io.FilePath.FilePath( tango.io.FilePath.FilePath.join( parent, child ) );
     }
 
-    public this ( dwt.dwthelper.File.File parent, char[] child ){
+    public this ( dwt.dwthelper.File.File parent, String child ){
         mFilePath = new tango.io.FilePath.FilePath( tango.io.FilePath.FilePath.join( parent.mFilePath.toString, child ) );
     }
 
@@ -42,12 +42,12 @@
         return 0;
     }
 
-    public char[] getName(){
+    public String getName(){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
 
-    public char[] getParent(){
+    public String getParent(){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
@@ -57,7 +57,7 @@
         return null;
     }
 
-    public char[] getPath(){
+    public String getPath(){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
@@ -67,7 +67,7 @@
         return false;
     }
 
-    public char[] getAbsolutePath(){
+    public String getAbsolutePath(){
         return tango.io.FileSystem.FileSystem.toAbsolute( mFilePath ).toString;
     }
 
@@ -75,7 +75,7 @@
         return new File( getAbsolutePath() );
     }
 
-    public char[] getCanonicalPath(){
+    public String getCanonicalPath(){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
@@ -136,7 +136,7 @@
         implMissing( __FILE__, __LINE__ );
     }
 
-    public char[][] list(){
+    public String[] list(){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
@@ -176,12 +176,12 @@
         return null;
     }
 
-    public static dwt.dwthelper.File.File createTempFile( char[] prefix, char[] suffix, dwt.dwthelper.File.File directory ){
+    public static dwt.dwthelper.File.File createTempFile( String prefix, String suffix, dwt.dwthelper.File.File directory ){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
 
-    public static dwt.dwthelper.File.File createTempFile( char[] prefix, char[] suffix ){
+    public static dwt.dwthelper.File.File createTempFile( String prefix, String suffix ){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
@@ -191,7 +191,7 @@
         return 0;
     }
 
-    public char[] toString(){
+    public String toString(){
         implMissing( __FILE__, __LINE__ );
         return null;
     }

--- a/dwt/dwthelper/FileInputStream.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dwthelper/FileInputStream.d	Mon May 05 00:12:38 2008 +0200
@@ -23,7 +23,7 @@
     private const int BUFFER_SIZE = 0x10000;
     private bool eof;
 
-    public this ( char[] name ){
+    public this ( String name ){
         conduit = new FileConduit( name );
         buffer = new ubyte[]( BUFFER_SIZE );
     }

--- a/dwt/dwthelper/FileOutputStream.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dwthelper/FileOutputStream.d	Mon May 05 00:12:38 2008 +0200
@@ -13,11 +13,11 @@
     alias dwt.dwthelper.OutputStream.OutputStream.write write;
     alias dwt.dwthelper.OutputStream.OutputStream.close close;
 
-    public this ( char[] name ){
+    public this ( String name ){
         implMissing( __FILE__, __LINE__ );
     }
 
-    public this ( char[] name, bool append ){
+    public this ( String name, bool append ){
         implMissing( __FILE__, __LINE__ );
     }
 

--- a/dwt/dwthelper/OutputStream.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dwthelper/OutputStream.d	Mon May 05 00:12:38 2008 +0200
@@ -27,7 +27,7 @@
         ostr.write(b);
     }
 
-    public void write(char[] c) {
+    public void write(String c) {
         ostr.write(c);
     }
 

--- a/dwt/dwthelper/ResourceBundle.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dwthelper/ResourceBundle.d	Mon May 05 00:12:38 2008 +0200
@@ -12,10 +12,10 @@
 
 class ResourceBundle {
 
-    char[][ char[] ] map;
+    String[ String ] map;
 
-    public this( char[] data ){
-        char[] line;
+    public this( String data ){
+        String line;
         int dataIndex;
 
         //tango.io.Stdout.Stdout.formatln( "properties put ..." );
@@ -31,8 +31,8 @@
         //tango.io.Stdout.Stdout.formatln( "properties put {}", __LINE__ );
         bool linecontinue = false;
         bool iskeypart = true;
-        char[] key;
-        char[] value;
+        String key;
+        String value;
 nextline:
         while( dataIndex < data.length ){
             //tango.io.Stdout.Stdout.formatln( "properties put {} startline", __LINE__ );
@@ -107,35 +107,35 @@
         }
     }
 
-    public bool hasString( char[] key ){
+    public bool hasString( String key ){
         return ( key in map ) !is null;
     }
 
-    public char[] getString( char[] key ){
+    public String getString( String key ){
         if( auto v = key in map ){
             return (*v).dup;
         }
         throw new MissingResourceException( "key not found", this.classinfo.name, key );
     }
 
-    public char[][] getKeys(){
+    public String[] getKeys(){
         return map.keys;
     }
 
     public static ResourceBundle getBundle( ImportData data ){
-        return new ResourceBundle( cast(char[]) data.data );
+        return new ResourceBundle( cast(String) data.data );
     }
-    public static ResourceBundle getBundle( char[] name ){
+    public static ResourceBundle getBundle( String name ){
         try{
             scope f = new File(name);
-            return new ResourceBundle( cast(char[]) f.read() );
+            return new ResourceBundle( cast(String) f.read() );
         }
         catch( IOException e){
             e.msg ~= " file:" ~ name;
             throw e;
         }
     }
-    public static ResourceBundle getBundleFromData( char[] data ){
+    public static ResourceBundle getBundleFromData( String data ){
         return new ResourceBundle( data );
     }
 }

--- a/dwt/dwthelper/System.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dwthelper/System.d	Mon May 05 00:12:38 2008 +0200
@@ -7,6 +7,8 @@
 import tango.time.Clock;
 import tango.stdc.stdlib : exit;
 
+import dwt.dwthelper.utils;
+
 template SimpleType(T) {
     debug{
         static void validCheck(uint SrcLen, uint DestLen, uint copyLen){
@@ -135,7 +137,7 @@
         return (*cast(Object *)&x).toHash();
     }
 
-    public static char[] getProperty( char[] key ){
+    public static String getProperty( String key ){
         switch( key ){
         case "os.name": return "windows";
         default: return null;

--- a/dwt/dwthelper/XmlTranscode.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dwthelper/XmlTranscode.d	Mon May 05 00:12:38 2008 +0200
@@ -9,7 +9,7 @@
  + Throws TextException on failure
  + The given string is modified.
  +/
-char[] xmlUnescape( char[] str ){
+String xmlUnescape( String str ){
 
     void error(){
         throw new TextException( "xmlUnescape" );
@@ -17,8 +17,8 @@
     // < ...
     // Ӓ
     // ኯ
-    char[] src = str;
-    char[] trg = str;
+    String src = str;
+    String trg = str;
     while( src.length ){
         if( src[0] !is '&' ){
             trg[0] = src[0];
@@ -34,7 +34,7 @@
             int semi = tango.text.Util.locate( src[0 .. len ], ';' );
             if( semi is len ) error(); // no semi found
 
-            char[] entityName = src[ 0 .. semi ]; // name without semi
+            String entityName = src[ 0 .. semi ]; // name without semi
             dchar entityValue = 0;
             switch( entityName ){
                 case "lt":   entityValue = '<'; break;
@@ -79,7 +79,7 @@
             dchar[1] arr;
             arr[0] = entityValue;
             uint ate = 0;
-            char[] res = tango.text.convert.Utf.toString( arr, trg, &ate );
+            String res = tango.text.convert.Utf.toString( arr, trg, &ate );
             trg = trg[ res.length .. $ ];
             src = src[ semi +1 .. $ ]; // go past semi
         }
@@ -94,7 +94,7 @@
  + If not, the original string is returned.
  + If processing is needed, a new string is allocated.
  +/
-char[] xmlEscape( char[] xml ){
+String xmlEscape( String xml ){
     bool needsReplacement( dchar c ){
         switch( c ){
             case '<':
@@ -121,7 +121,7 @@
 Lprocess:
 
     // yes, do a new string, start with +20 chars
-    char[] res = new char[ xml.length + 20 ];
+    String res = new char[ xml.length + 20 ];
     res.length = 0;
 
     foreach( dchar c; xml ){

--- a/dwt/dwthelper/utils.d	Sat Apr 26 10:01:48 2008 +0200
+++ b/dwt/dwthelper/utils.d	Mon May 05 00:12:38 2008 +0200
@@ -35,7 +35,7 @@
 alias char[] String;
 alias tango.text.Text.Text!(char) StringBuffer;
 
-void implMissing( char[] file, uint line ){
+void implMissing( String file, uint line ){
     Stderr.formatln( "implementation missing in file {} line {}", file, line );
     Stderr.formatln( "exiting ..." );
     exit(1);
@@ -94,7 +94,7 @@
     public bool booleanValue(){
         return value;
     }
-    public static Boolean valueOf( char[] s ){
+    public static Boolean valueOf( String s ){
         if( s == "yes" || s == "true" ){
             return TRUE;
         }
@@ -109,7 +109,7 @@
 
 
 class Byte : ValueWrapperT!(byte) {
-    public static byte parseByte( char[] s ){
+    public static byte parseByte( String s ){
         try{
             int res = tango.text.convert.Integer.parse( s );
             if( res < byte.min || res > byte.max ){
@@ -138,11 +138,11 @@
         super( value );
     }
 
-    public this ( char[] s ){
+    public this ( String s ){
         super(parseInt(s));
     }
 
-    public static char[] toString( int i, int radix ){
+    public static String toString( int i, int radix ){
         switch( radix ){
         case 2:
             return toBinaryString(i);
@@ -158,23 +158,23 @@
         }
     }
 
-    public static char[] toHexString( int i ){
+    public static String toHexString( int i ){
         return tango.text.convert.Integer.toString(i, tango.text.convert.Integer.Style.Hex );
     }
 
-    public static char[] toOctalString( int i ){
+    public static String toOctalString( int i ){
         return tango.text.convert.Integer.toString(i, tango.text.convert.Integer.Style.Octal );
     }
 
-    public static char[] toBinaryString( int i ){
+    public static String toBinaryString( int i ){
         return tango.text.convert.Integer.toString(i, tango.text.convert.Integer.Style.Binary );
     }
 
-    public static char[] toString( int i ){
+    public static String toString( int i ){
         return tango.text.convert.Integer.toString(i);
     }
 
-    public static int parseInt( char[] s, int radix ){
+    public static int parseInt( String s, int radix ){
         try{
             return tango.text.convert.Integer.parse( s, cast(uint)radix );
         }
@@ -183,7 +183,7 @@
         }
     }
 
-    public static int parseInt( char[] s ){
+    public static int parseInt( String s ){
         try{
             return tango.text.convert.Integer.parse( s );
         }
@@ -192,12 +192,12 @@
         }
     }
 
-    public static Integer valueOf( char[] s, int radix ){
+    public static Integer valueOf( String s, int radix ){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
 
-    public static Integer valueOf( char[] s ){
+    public static Integer valueOf( String s ){
         return valueOf( parseInt(s));
     }
 
@@ -233,7 +233,7 @@
         return intValue();
     }
 
-    public override char[] toString(){
+    public override String toString(){
         return tango.text.convert.Integer.toString( value );
     }
 }
@@ -243,14 +243,14 @@
     this( double value ){
         super(value);
     }
-    this( char[] str ){
+    this( String str ){
         implMissing( __FILE__, __LINE__ );
         super(0.0);
     }
     public double doubleValue(){
         return value;
     }
-    public static char[] toString( double value ){
+    public static String toString( double value ){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
@@ -268,18 +268,18 @@
     this( float value ){
         super(value);
     }
-    this( char[] str ){
+    this( String str ){
         implMissing( __FILE__, __LINE__ );
         super(0.0);
     }
     public float floatValue(){
         return value;
     }
-    public static char[] toString( float value ){
+    public static String toString( float value ){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
-    public static float parseFloat( char[] s ){
+    public static float parseFloat( String s ){
         try{
             return tango.text.convert.Float.toFloat( s );
         }
@@ -293,18 +293,18 @@
     this( long value ){
         super(value);
     }
-    this( char[] str ){
+    this( String str ){
         implMissing( __FILE__, __LINE__ );
         super(0);
     }
     public long longValue(){
         return value;
     }
-    public static long parseLong(char[] s){
+    public static long parseLong(String s){
         implMissing( __FILE__, __LINE__ );
         return 0;
     }
-    public static char[] toString( double value ){
+    public static String toString( double value ){
         implMissing( __FILE__, __LINE__ );
         return null;
     }
@@ -318,7 +318,7 @@
 alias ArrayWrapperT!(int)     ArrayWrapperInt;
 alias ArrayWrapperT!(Object)  ArrayWrapperObject;
 alias ArrayWrapperT!(char)    ArrayWrapperString;
-alias ArrayWrapperT!(char[])  ArrayWrapperString2;
+alias ArrayWrapperT!(String)  ArrayWrapperString2;
 
 Object[] StringArrayToObjectArray( String[] strs ){
     Object[] res = new Object[strs.length];
@@ -327,7 +327,7 @@
     }
     return res;
 }
-int codepointIndexToIndex( char[] str, int cpIndex ){
+int codepointIndexToIndex( String str, int cpIndex ){
     int cps = cpIndex;
     int res = 0;
     while( cps > 0 ){
@@ -347,7 +347,7 @@
     }
     return res;
 }
-int indexToCodepointIndex( char[] str, int index ){
+int indexToCodepointIndex( String str, int index ){
     int i = 0;
     int res = 0;
     while( i < index ){
@@ -368,7 +368,7 @@
     return res;
 }
 
-char[] firstCodePointStr( char[] str, out int consumed ){
+String firstCodePointStr( String str, out int consumed ){
     dchar[1] buf;
     uint ate;
     dchar[] res = str.toString32( buf, &ate );
@@ -376,11 +376,11 @@
     return str[ 0 .. ate ];
 }
 
-dchar firstCodePoint( char[] str ){
+dchar firstCodePoint( String str ){
     int dummy;
     return firstCodePoint( str, dummy );
 }
-dchar firstCodePoint( char[] str, out int consumed ){
+dchar firstCodePoint( String str, out int consumed ){
     dchar[1] buf;
     uint ate;
     dchar[] res = str.toString32( buf, &ate );
@@ -393,13 +393,13 @@
     return res[0];
 }
 
-char[] dcharToString( dchar key ){
+String dcharToString( dchar key ){
     dchar[1] buf;
     buf[0] = key;
     return tango.text.convert.Utf.toString( buf );
 }
 
-int codepointCount( char[] str ){
+int codepointCount( String str ){
     scope dchar[] buf = new dchar[]( str.length );
     uint ate;
     dchar[] res = tango.text.convert.Utf.toString32( str, buf, &ate );
@@ -410,7 +410,7 @@
 alias tango.text.convert.Utf.toString16 toString16;
 alias tango.text.convert.Utf.toString toString;
 
-int getRelativeCodePointOffset( char[] str, int startIndex, int searchRelCp ){
+int getRelativeCodePointOffset( String str, int startIndex, int searchRelCp ){
     int ignore;
     int i = startIndex;
     if( searchRelCp > 0 ){
@@ -462,13 +462,13 @@
     }
     return i - startIndex;
 }
-dchar getRelativeCodePoint( char[] str, int startIndex, int searchRelCp, out int relIndex ){
+dchar getRelativeCodePoint( String str, int startIndex, int searchRelCp, out int relIndex ){
     relIndex = getRelativeCodePointOffset( str, startIndex, searchRelCp );
     int ignore;
     return firstCodePoint( str[ startIndex+relIndex .. $ ], ignore );
 }
 
-int utf8AdjustOffset( char[] str, int offset ){
+int utf8AdjustOffset( String str, int offset ){
     if( str.length <= offset || offset <= 0 ){
         return offset;
     }
@@ -481,11 +481,11 @@
 bool CharacterIsDefined( dchar ch ){
     return (ch in tango.text.UnicodeData.unicodeData) !is null;
 }
-dchar CharacterFirstToLower( char[] str ){
+dchar CharacterFirstToLower( String str ){
     int consumed;
     return CharacterFirstToLower( str, consumed );
 }
-dchar CharacterFirstToLower( char[] str, out int consumed ){
+dchar CharacterFirstToLower( String str, out int consumed ){
     dchar[1] buf;
     buf[0] = firstCodePoint( str, consumed );
     dchar[] r = tango.text.Unicode.toLower( buf );
@@ -509,58 +509,58 @@
 bool CharacterIsLetter( dchar c ){
     return tango.text.Unicode.isLetter( c );
 }
-public char[] toUpperCase( char[] str ){
+public String toUpperCase( String str ){
     return tango.text.Unicode.toUpper( str );
 }
 
-public int indexOf( char[] str, char searched ){
+public int indexOf( String str, char searched ){
     int res = tango.text.Util.locate( str, searched );
     if( res is str.length ) res = -1;
     return res;
 }
 
-public int indexOf( char[] str, char searched, int startpos ){
+public int indexOf( String str, char searched, int startpos ){
     int res = tango.text.Util.locate( str, searched, startpos );
     if( res is str.length ) res = -1;
     return res;
 }
 
-public int indexOf(char[] str, char[] ch){
+public int indexOf(String str, String ch){
     return indexOf( str, ch, 0 );
 }
 
-public int indexOf(char[] str, char[] ch, int start){
+public int indexOf(String str, String ch, int start){
     int res = tango.text.Util.locatePattern( str, ch, start );
     if( res is str.length ) res = -1;
     return res;
 }
 
-public int lastIndexOf(char[] str, char ch){
+public int lastIndexOf(String str, char ch){
     return lastIndexOf( str, ch, str.length );
 }
-public int lastIndexOf(char[] str, char ch, int formIndex){
+public int lastIndexOf(String str, char ch, int formIndex){
     int res = tango.text.Util.locatePrior( str, ch, formIndex );
     if( res is str.length ) res = -1;
     return res;
 }
-public int lastIndexOf(char[] str, char[] ch ){
+public int lastIndexOf(String str, String ch ){
     return lastIndexOf( str, ch, str.length );
 }
-public int lastIndexOf(char[] str, char[] ch, int start ){
+public int lastIndexOf(String str, String ch, int start ){
     int res = tango.text.Util.locatePatternPrior( str, ch, start );
     if( res is str.length ) res = -1;
     return res;
 }
 
-public char[] replace( char[] str, char from, char to ){
+public String replace( String str, char from, char to ){
     return tango.text.Util.replace( str.dup, from, to );
 }
 
-public char[] substring( char[] str, int start ){
+public String substring( String str, int start ){
     return str[ start .. $ ].dup;
 }
 
-public char[] substring( char[] str, int start, int end ){
+public String substring( String str, int start, int end ){
     return str[ start .. end ].dup;
 }
 
@@ -572,66 +572,66 @@
     return str[ start .. end ].dup;
 }
 
-public char charAt( char[] str, int pos ){
+public char charAt( String str, int pos ){
     return str[ pos ];
 }
 
-public void getChars( char[] src, int srcBegin, int srcEnd, char[] dst, int dstBegin){
+public void getChars( String src, int srcBegin, int srcEnd, String dst, int dstBegin){
     dst[ dstBegin .. dstBegin + srcEnd - srcBegin ] = src[ srcBegin .. srcEnd ];
 }
 
-public wchar[] toCharArray( char[] str ){
+public wchar[] toCharArray( String str ){
     return toString16( str );
 }
 
-public bool endsWith( char[] src, char[] pattern ){
+public bool endsWith( String src, String pattern ){
     if( src.length < pattern.length ){
         return false;
     }
     return src[ $-pattern.length .. $ ] == pattern;
 }
 
-public bool equals( char[] src, char[] other ){
+public bool equals( String src, String other ){
     return src == other;
 }
 
-public bool equalsIgnoreCase( char[] src, char[] other ){
+public bool equalsIgnoreCase( String src, String other ){
     return tango.text.Unicode.toFold(src) == tango.text.Unicode.toFold(other);
 }
 
-public bool startsWith( char[] src, char[] pattern ){
+public bool startsWith( String src, String pattern ){
     if( src.length < pattern.length ){
         return false;
     }
     return src[ 0 .. pattern.length ] == pattern;
 }
 
-public char[] toLowerCase( char[] src ){
+public String toLowerCase( String src ){
     return tango.text.Unicode.toLower( src );
 }
 
-public hash_t toHash( char[] src ){
-    return typeid(char[]).getHash(&src);
+public hash_t toHash( String src ){
+    return typeid(String).getHash(&src);
 }
 
-public char[] trim( char[] str ){
+public String trim( String str ){
     return tango.text.Util.trim( str ).dup;
 }
-public char[] intern( char[] str ){
+public String intern( String str ){
     return str;
 }
 
-public char* toStringzValidPtr( char[] src ){
+public char* toStringzValidPtr( String src ){
     if( src ){
         return src.toStringz();
     }
     else{
-        static const char[] nullPtr = "\0";
+        static const String nullPtr = "\0";
         return nullPtr.ptr;
     }
 }
 
-static char[] toHex(uint value, bool prefix = true, int radix = 8){
+static String toHex(uint value, bool prefix = true, int radix = 8){
     return tango.text.convert.Integer.toString(
             value,
             radix is 10 ? tango.text.convert.Integer.Style.Signed :
@@ -643,7 +643,7 @@
 }
 
 class RuntimeException : Exception {
-    this( char[] e = null){
+    this( String e = null){
         super(e);
     }
     this( Exception e ){
@@ -656,13 +656,13 @@
 
 }
 class IndexOutOfBoundsException : Exception {
-    this( char[] e = null){
+    this( String e = null){
         super(e);
     }
 }
 
 class UnsupportedOperationException : RuntimeException {
-    this( char[] e = null){
+    this( String e = null){
         super(e);
     }
     this( Exception e ){
@@ -670,7 +670,7 @@
     }
 }
 class NumberFormatException : IllegalArgumentException {
-    this( char[] e ){
+    this( String e ){
         super(e);
     }
     this( Exception e ){
@@ -678,7 +678,7 @@
     }
 }
 class NullPointerException : Exception {
-    this( char[] e = null ){
+    this( String e = null ){
         super(e);
     }
     this( Exception e ){
@@ -686,7 +686,7 @@
     }
 }
 class IllegalStateException : Exception {
-    this( char[] e = null ){
+    this( String e = null ){
         super(e);
     }
     this( Exception e ){
@@ -694,7 +694,7 @@
     }
 }
 class InterruptedException : Exception {
-    this( char[] e = null ){
+    this( String e = null ){
         super(e);
     }
     this( Exception e ){
@@ -703,7 +703,7 @@
 }
 class InvocationTargetException : Exception {
     Exception cause;
-    this( Exception e = null, char[] msg = null ){
+    this( Exception e = null, String msg = null ){
         super(msg);
         cause = e;
     }
@@ -714,16 +714,16 @@
     }
 }
 class MissingResourceException : Exception {
-    char[] classname;
-    char[] key;
-    this( char[] msg, char[] classname, char[] key ){
+    String classname;
+    String key;
+    this( String msg, String classname, String key ){
         super(msg);
         this.classname = classname;
         this.key = key;
     }
 }
 class ParseException : Exception {
-    this( char[] e = null ){
+    this( String e = null ){
         super(e);
     }
 }
@@ -753,7 +753,7 @@
         return source;
     }
 
-    public override char[] toString() {
+    public override String toString() {
         return this.classinfo.name ~ "[source=" ~ source.toString() ~ "]";
     }
 }
@@ -831,23 +831,23 @@
     }
 }
 
-char[] stringcast( Object o ){
+String stringcast( Object o ){
     if( auto str = cast(ArrayWrapperString) o ){
         return str.array;
     }
     return null;
 }
-char[][] stringcast( Object[] objs ){
-    char[][] res = new char[][](objs.length);
+String[] stringcast( Object[] objs ){
+    String[] res = new String[](objs.length);
     foreach( idx, obj; objs ){
         res[idx] = stringcast(obj);
     }
     return res;
 }
-ArrayWrapperString stringcast( char[] str ){
+ArrayWrapperString stringcast( String str ){
     return new ArrayWrapperString( str );
 }
-ArrayWrapperString[] stringcast( char[][] strs ){
+ArrayWrapperString[] stringcast( String[] strs ){
     ArrayWrapperString[] res = new ArrayWrapperString[ strs.length ];
     foreach( idx, str; strs ){
         res[idx] = stringcast(str);
@@ -936,7 +936,7 @@
     return res;
 }
 
-void PrintStackTrace( int deepth = 100, char[] prefix = "trc" ){
+void PrintStackTrace( int deepth = 100, String prefix = "trc" ){
     auto e = new Exception( null );
     int idx = 0;
     const start = 3;
@@ -950,9 +950,9 @@
 
 struct ImportData{
     void[] data;
-    char[] name;
+    String name;
 
-    public static ImportData opCall( void[] data, char[] name ){
+    public static ImportData opCall( void[] data, String name ){
         ImportData res;
         res.data = data;
         res.name = name;
@@ -960,6 +960,6 @@
     }
 }
 
-template getImportData(char[] name ){
+template getImportData(String name ){
     const ImportData getImportData = ImportData( import(name), name );
-}
\ No newline at end of file
+}