--- a/dwt/widgets/TreeColumn.d	Sat Apr 26 10:01:30 2008 +0200
+++ b/dwt/widgets/TreeColumn.d	Mon May 05 00:42:55 2008 +0200
@@ -12,6 +12,8 @@
  *******************************************************************************/
 module dwt.widgets.TreeColumn;
 
+import dwt.dwthelper.utils;
+
 
 
 import dwt.DWT;
@@ -51,7 +53,7 @@
     Tree parent;
     int modelIndex, lastButton, lastTime, lastX, lastWidth;
     bool customDraw, useFixedWidth;
-    char[] toolTipText;
+    String toolTipText;
 
 /**
  * Constructs a new instance of this class given its parent
@@ -307,7 +309,7 @@
  *
  * @since 3.2
  */
-public char[] getToolTipText () {
+public String getToolTipText () {
     checkWidget();
     return toolTipText;
 }
@@ -591,7 +593,7 @@
     OS.gtk_tree_view_column_set_resizable (handle, resizable);
 }
 
-public override void setText (char[] string) {
+public override void setText (String string) {
     checkWidget();
     if (string is null) error (DWT.ERROR_NULL_ARGUMENT);
     super.setText (string);
@@ -618,14 +620,14 @@
  *
  * @since 3.2
  */
-public void setToolTipText (char[] string) {
+public void setToolTipText (String string) {
     checkWidget();
     Shell shell = parent._getShell ();
     setToolTipText (shell, string);
     toolTipText = string;
 }
 
-void setToolTipText (Shell shell, char[] newString) {
+void setToolTipText (Shell shell, String newString) {
     shell.setToolTipText (buttonHandle, newString);
 }