annotate dwt/ole/win32/Variant.d @ 212:ab60f3309436

reverted the char[] to String and use the an alias.
author Frank Benoit <benoit@tionex.de>
date Mon, 05 May 2008 00:12:38 +0200
parents 619faee45ef6
children fd9c62a2998e
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2006 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
98
ecba636b634e package dwt/ole
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10 * Port to the D programming language:
ecba636b634e package dwt/ole
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwt.ole.win32.Variant;
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14
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15 import dwt.DWT;
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16 import dwt.DWTException;
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17 import dwt.internal.ole.win32.extras;
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18 import dwt.internal.ole.win32.COM;
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19 import dwt.internal.ole.win32.COMTYPES;
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20 import dwt.internal.ole.win32.OAIDL;
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21 import dwt.internal.win32.OS;
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22
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23 import dwt.ole.win32.OleAutomation;
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24 import dwt.ole.win32.OLE;
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25
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26 import tango.util.Convert;
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27 import tango.text.convert.Format;
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28 import dwt.dwthelper.utils;
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29
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30 /**
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31 *
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32 * A Variant is a generic OLE mechanism for passing data of different types via a common interface.
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33 *
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34 * <p>It is used within the OleAutomation object for getting a property, setting a property or invoking
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35 * a method on an OLE Control or OLE Document.
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36 *
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37 */
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38 public final class Variant
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39 {
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40 /**
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41 * A variant always takes up 16 bytes, no matter what you
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42 * store in it. Objects, strings, and arrays are not physically
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43 * stored in the Variant; in these cases, four bytes of the
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44 * Variant are used to hold either an object reference, or a
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45 * pointer to the string or array. The actual data are stored elsewhere.
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46 */
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47 //public static final int sizeof = 16;
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48 private short type; // OLE.VT_* type
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49
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50 private bool booleanData;
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51 private byte byteData;
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52 private short shortData;
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53 private wchar charData;
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54 private int intData;
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55 private long longData;
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56 private float floatData;
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57 private double doubleData;
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58 private String stringData;
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59 private void* byRefPtr;
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60 private IDispatch dispatchData;
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61 private IUnknown unknownData;
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62
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63 /**
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64 * Invokes platform specific functionality to copy a variant
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65 * into operating system memory.
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66 * <p>
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67 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
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68 * API for <code>Variant</code>. It is marked public only so that it
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69 * can be shared within the packages provided by DWT. It is not
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70 * available on all platforms, and should never be called from
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71 * application code.
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72 * </p>
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73 *
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74 * @param pVarDest destination pointer to a variant
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75 * @param varSrc source <code>Variant</code>
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76 *
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77 * @since 3.3
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78 */
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79 public static void win32_copy (VARIANT* pVarDest, Variant varSrc) {
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80 varSrc.getData (pVarDest);
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81 }
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82
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83 /**
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84 * Invokes platform specific functionality to wrap a variant
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85 * that was allocated in operating system memory.
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86 * <p>
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87 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
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88 * API for <code>Variant</code>. It is marked public only so that it
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89 * can be shared within the packages provided by DWT. It is not
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90 * available on all platforms, and should never be called from
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91 * application code.
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92 * </p>
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93 *
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94 * @param pVariant pointer to a variant
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95 *
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96 * @return a new <code>Variant</code>
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97 *
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98 * @since 3.3
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99 */
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100 public static Variant win32_new (VARIANT* pVariant) {
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101 Variant variant = new Variant ();
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102 variant.setData (pVariant);
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103 return variant;
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104 }
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105
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106 /**
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107 * Create an empty Variant object with type VT_EMPTY.
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108 *
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109 * @since 2.0
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110 */
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111 public this(){
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112 type = COM.VT_EMPTY;
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113 }
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114 /**
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115 * Create a Variant object which represents a Java float as a VT_R4.
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116 *
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117 * @param val the Java float value that this Variant represents
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118 *
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119 */
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120 public this(float val) {
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121 type = COM.VT_R4;
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122 floatData = val;
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123
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124 }
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125 /**
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126 * Create a Variant object which represents a Java double as a VT_R8.
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127 *
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128 * @param val the Java double value that this Variant represents
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129 *
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130 * @since 3.2
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131 */
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132 public this(double val) {
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133 type = COM.VT_R8;
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134 doubleData = val;
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135 }
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136 /**
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137 * Create a Variant object which represents a Java int as a VT_I4.
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138 *
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139 * @param val the Java int value that this Variant represents
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140 *
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141 */
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142 public this(int val) {
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143 type = COM.VT_I4;
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144 intData = val;
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145 }
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146 public this(uint val) {
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147 type = COM.VT_I4;
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148 intData = val;
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149 }
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150 /**
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151 * Create a Variant object which contains a reference to the data being transferred.
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152 *
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153 * <p>When creating a VT_BYREF Variant, you must give the full Variant type
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154 * including VT_BYREF such as
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155 *
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156 * <pre><code>short byRefType = OLE.VT_BSTR | OLE.VT_BYREF</code></pre>.
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157 *
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158 * @param ptr a pointer to the data being transferred.
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159 * @param byRefType the type of the data being transferred such as OLE.VT_BSTR | OLE.VT_BYREF
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160 *
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161 */
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162 public this(void* ptr, ushort byRefType) {
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163 type = byRefType;
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164 byRefPtr = ptr;
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165 }
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166 /**
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167 * Create a Variant object which represents an IDispatch interface as a VT_Dispatch.
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168 *
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169 * @param automation the OleAutomation object that this Variant represents
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
170 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
171 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
172 public this(OleAutomation automation) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
173 type = COM.VT_DISPATCH;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
174 dispatchData = automation.getAddress();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
175 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
176 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
177 * Create a Variant object which represents an IDispatch interface as a VT_Dispatch.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
178 * <p>The caller is expected to have appropriately invoked unknown.AddRef() before creating
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
179 * this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
180 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
181 * @since 2.0
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
182 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
183 * @param idispatch the IDispatch object that this Variant represents
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
184 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
185 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
186 public this(IDispatch idispatch) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
187 type = COM.VT_DISPATCH;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
188 dispatchData = idispatch;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
189 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
190 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
191 * Create a Variant object which represents an IUnknown interface as a VT_UNKNOWN.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
192 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
193 * <p>The caller is expected to have appropriately invoked unknown.AddRef() before creating
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
194 * this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
195 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
196 * @param unknown the IUnknown object that this Variant represents
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
197 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
198 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
199 public this(IUnknown unknown) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
200 type = COM.VT_UNKNOWN;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
201 unknownData = unknown;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
202 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
203 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
204 * Create a Variant object which represents a Java long as a VT_I8.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
205 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
206 * @param val the Java long value that this Variant represents
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
207 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
208 *@since 3.2
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
209 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
210 public this(long val) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
211 type = COM.VT_I8;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
212 longData = val;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
213 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
214 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
215 * Create a Variant object which represents a Java String as a VT_BSTR.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
216 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
217 * @param string the Java String value that this Variant represents
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
218 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
219 */
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
220 public this(String string) {
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
221 type = COM.VT_BSTR;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
222 stringData = string;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
223 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
224 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
225 * Create a Variant object which represents a Java short as a VT_I2.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
226 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
227 * @param val the Java short value that this Variant represents
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
228 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
229 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
230 public this(short val) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
231 type = COM.VT_I2;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
232 shortData = val;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
233 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
234 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
235 * Create a Variant object which represents a Java bool as a VT_BOOL.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
236 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
237 * @param val the Java bool value that this Variant represents
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
238 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
239 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
240 public this(bool val) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
241 type = COM.VT_BOOL;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
242 booleanData = val;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
243 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
244
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
245 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
246 * Calling dispose will release resources associated with this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
247 * If the resource is an IDispatch or IUnknown interface, Release will be called.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
248 * If the resource is a ByRef pointer, nothing is released.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
249 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
250 * @since 2.1
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
251 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
252 public void dispose() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
253 if ((type & COM.VT_BYREF) is COM.VT_BYREF) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
254 return;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
255 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
256
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
257 switch (type) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
258 case COM.VT_DISPATCH :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
259 dispatchData.Release();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
260 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
261 case COM.VT_UNKNOWN :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
262 unknownData.Release();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
263 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
264 default:
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
265 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
266
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
267 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
268 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
269 * Returns the OleAutomation object represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
270 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
271 * <p>If this Variant does not contain an OleAutomation object, an attempt is made to
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
272 * coerce the Variant type into an OleAutomation object. If this fails, an error is
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
273 * thrown. Note that OleAutomation objects must be disposed when no longer
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
274 * needed.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
275 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
276 * @return the OleAutomation object represented by this Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
277 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
278 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
279 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant can not be coerced into an OleAutomation object</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
280 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
281 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
282 public OleAutomation getAutomation() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
283 if (type is COM.VT_EMPTY) {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
284 OLE.error(__FILE__, __LINE__, OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
285 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
286 if (type is COM.VT_DISPATCH) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
287 return new OleAutomation(dispatchData);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
288 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
289 // try to coerce the value to the desired type
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
290 VARIANT oldPtr, newPtr;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
291 try {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
292 getData(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
293 HRESULT result = COM.VariantChangeType(&newPtr, &oldPtr, 0, COM.VT_DISPATCH);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
294 if (result !is COM.S_OK)
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
295 OLE.error(__FILE__, __LINE__, OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, result);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
296 Variant autoVar = new Variant();
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
297 autoVar.setData(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
298 return autoVar.getAutomation();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
299 } finally {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
300 COM.VariantClear(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
301 COM.VariantClear(&newPtr); // Note: This must absolutely be done AFTER the
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
302 // OleAutomation object is created as Variant Clear
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
303 // will result in a Release being performed on the
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
304 // Dispatch object
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
305 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
306 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
307 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
308 * Returns the IDispatch object represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
309 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
310 * <p>If this Variant does not contain an IDispatch object, an attempt is made to
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
311 * coerce the Variant type into an IDIspatch object. If this fails, an error is
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
312 * thrown.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
313 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
314 * @since 2.0
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
315 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
316 * @return the IDispatch object represented by this Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
317 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
318 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
319 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant can not be coerced into an IDispatch object</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
320 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
321 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
322 public IDispatch getDispatch() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
323 if (type is COM.VT_EMPTY) {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
324 OLE.error(__FILE__, __LINE__, OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
325 }
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
326
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
327 if (type is COM.VT_DISPATCH) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
328 return dispatchData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
329 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
330 // try to coerce the value to the desired type
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
331 VARIANT oldPtr, newPtr;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
332 try {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
333 getData(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
334 HRESULT result = COM.VariantChangeType(&newPtr, &oldPtr, 0, COM.VT_DISPATCH);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
335 if (result !is COM.S_OK)
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
336 OLE.error(__FILE__, __LINE__, OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, result);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
337 Variant autoVar = new Variant();
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
338 autoVar.setData(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
339 return autoVar.getDispatch();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
340 } finally {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
341 COM.VariantClear(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
342 COM.VariantClear(&newPtr); // Note: This must absolutely be done AFTER the
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
343 // OleAutomation object is created as Variant Clear
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
344 // will result in a Release being performed on the
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
345 // Dispatch object
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
346 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
347 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
348 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
349 * Returns the Java bool represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
350 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
351 * <p>If this Variant does not contain a Java bool, an attempt is made to
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
352 * coerce the Variant type into a Java bool. If this fails, an error is thrown.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
353 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
354 * @return the Java bool represented by this Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
355 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
356 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
357 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant can not be coerced into a bool</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
358 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
359 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
360 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
361 public bool getBoolean() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
362 if (type is COM.VT_EMPTY) {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
363 OLE.error(__FILE__, __LINE__, OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
364 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
365 if (type is COM.VT_BOOL) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
366 return booleanData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
367 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
368 // try to coerce the value to the desired type
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
369 VARIANT oldPtr, newPtr;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
370 try {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
371 getData(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
372 HRESULT result = COM.VariantChangeType(&newPtr, &oldPtr, 0, COM.VT_BOOL);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
373 if (result !is COM.S_OK)
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
374 OLE.error(__FILE__, __LINE__, OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, result);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
375 Variant boolVar = new Variant();
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
376 boolVar.setData(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
377 return boolVar.getBoolean();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
378 } finally {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
379 COM.VariantClear(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
380 COM.VariantClear(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
381 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
382 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
383 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
384 * Returns a pointer to the referenced data represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
385 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
386 * <p>If this Variant does not contain a reference to data, zero is returned.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
387 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
388 * @return a pointer to the referenced data represented by this Variant or 0
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
389 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
390 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
391 public void* getByRef() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
392 if (type is COM.VT_EMPTY) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
393 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
394 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
395 if ((type & COM.VT_BYREF)is COM.VT_BYREF) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
396 return byRefPtr;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
397 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
398
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
399 return null;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
400 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
401 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
402 * Returns the Java byte represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
403 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
404 * <p>If this Variant does not contain a Java byte, an attempt is made to
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
405 * coerce the Variant type into a Java byte. If this fails, an error is thrown.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
406 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
407 * @return the Java byte represented by this Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
408 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
409 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
410 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant can not be coerced into a byte</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
411 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
412 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
413 * @since 3.3
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
414 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
415 public byte getByte() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
416 if (type is COM.VT_EMPTY) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
417 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
418 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
419 if (type is COM.VT_I1) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
420 return byteData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
421 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
422
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
423 // try to coerce the value to the desired type
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
424 VARIANT oldPtr, newPtr;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
425 try {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
426 getData(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
427 int result = COM.VariantChangeType(&newPtr, &oldPtr, 0, COM.VT_I1);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
428 if (result !is COM.S_OK)
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
429 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, result);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
430 Variant byteVar = new Variant();
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
431 byteVar.setData(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
432 return byteVar.getByte();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
433 } finally {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
434 COM.VariantClear(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
435 COM.VariantClear(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
436 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
437 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
438 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
439 * Returns the Java char represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
440 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
441 * <p>If this Variant does not contain a Java char, an attempt is made to
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
442 * coerce the Variant type into a Java char. If this fails, an error is thrown.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
443 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
444 * @return the Java char represented by this Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
445 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
446 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
447 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant can not be coerced into a char</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
448 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
449 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
450 * @since 3.3
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
451 */
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
452 public wchar getChar() {
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
453 if (type is COM.VT_EMPTY) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
454 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
455 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
456 if (type is COM.VT_UI2) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
457 return charData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
458 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
459
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
460 // try to coerce the value to the desired type
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
461 VARIANT oldPtr, newPtr;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
462 try {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
463 getData(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
464 int result = COM.VariantChangeType(&newPtr, &oldPtr, 0, COM.VT_UI2);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
465 if (result !is COM.S_OK)
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
466 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, result);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
467 Variant charVar = new Variant();
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
468 charVar.setData(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
469 return charVar.getChar();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
470 } finally {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
471 COM.VariantClear(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
472 COM.VariantClear(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
473 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
474 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
475 void getData(VARIANT* pData){
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
476 if (pData is null) OLE.error(OLE.ERROR_OUT_OF_MEMORY);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
477
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
478 COM.VariantInit(pData);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
479
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
480 // set type
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
481 pData.vt = type;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
482 if ((type & COM.VT_BYREF) is COM.VT_BYREF) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
483 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
484 COM.MoveMemory(pData + 8, &byRefPtr, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
485 return;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
486 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
487
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
488 switch (type) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
489 case COM.VT_EMPTY :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
490 case COM.VT_NULL :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
491 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
492 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
493 case COM.VT_BOOL :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
494 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
495 auto v = booleanData ? COM.VARIANT_TRUE : COM.VARIANT_FALSE;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
496 COM.MoveMemory(pData + 8, &v, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
497 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
498 case COM.VT_I1 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
499 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
500 COM.MoveMemory(pData + 8, &byteData, 1);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
501 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
502 case COM.VT_I2 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
503 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
504 COM.MoveMemory(pData + 8, &shortData, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
505 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
506 case COM.VT_UI2 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
507 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
508 COM.MoveMemory(pData + 8, &charData, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
509 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
510 case COM.VT_I4 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
511 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
512 COM.MoveMemory(pData + 8, &intData, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
513 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
514 case COM.VT_I8 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
515 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
516 COM.MoveMemory(pData + 8, &longData, 8);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
517 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
518 case COM.VT_R4 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
519 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
520 COM.MoveMemory(pData + 8, &floatData, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
521 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
522 case COM.VT_R8 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
523 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
524 COM.MoveMemory(pData + 8, &doubleData, 8);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
525 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
526 case COM.VT_DISPATCH :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
527 dispatchData.AddRef();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
528 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
529 auto v = cast(void*)dispatchData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
530 COM.MoveMemory(pData + 8, &v, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
531 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
532 case COM.VT_UNKNOWN :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
533 unknownData.AddRef();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
534 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
535 auto v = cast(void*)dispatchData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
536 COM.MoveMemory(pData + 8, &v, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
537 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
538 case COM.VT_BSTR :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
539 COM.MoveMemory(pData, &type, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
540 wchar[] data = StrToWCHARs(stringData);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
541 auto ptr = COM.SysAllocString(data.ptr);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
542 COM.MoveMemory(pData + 8, &ptr, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
543 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
544
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
545 default :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
546 OLE.error(DWT.ERROR_NOT_IMPLEMENTED);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
547 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
548 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
549 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
550 * Returns the Java double represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
551 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
552 * <p>If this Variant does not contain a Java double, an attempt is made to
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
553 * coerce the Variant type into a Java double. If this fails, an error is thrown.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
554 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
555 * @return the Java double represented by this Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
556 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
557 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
558 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant can not be coerced into a double</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
559 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
560 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
561 * @since 3.2
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
562 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
563 public double getDouble() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
564 if (type is COM.VT_EMPTY) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
565 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
566 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
567 if (type is COM.VT_R8) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
568 return doubleData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
569 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
570
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
571 // try to coerce the value to the desired type
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
572 VARIANT oldPtr, newPtr;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
573 try {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
574 getData(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
575 int result = COM.VariantChangeType(&newPtr, &oldPtr, 0, COM.VT_R8);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
576 if (result !is COM.S_OK)
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
577 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, result);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
578 Variant doubleVar = new Variant();
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
579 doubleVar.setData(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
580 return doubleVar.getDouble();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
581 } finally {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
582 COM.VariantClear(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
583 COM.VariantClear(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
584 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
585 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
586
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
587 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
588 * Returns the Java float represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
589 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
590 * <p>If this Variant does not contain a Java float, an attempt is made to
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
591 * coerce the Variant type into a Java float. If this fails, an error is thrown.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
592 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
593 * @return the Java float represented by this Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
594 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
595 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
596 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant can not be coerced into a float</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
597 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
598 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
599 public float getFloat() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
600 if (type is COM.VT_EMPTY) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
601 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
602 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
603 if (type is COM.VT_R4) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
604 return floatData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
605 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
606
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
607 // try to coerce the value to the desired type
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
608 VARIANT oldPtr, newPtr;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
609 try {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
610 getData(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
611 int result = COM.VariantChangeType(&newPtr, &oldPtr, 0, COM.VT_R4);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
612 if (result !is COM.S_OK)
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
613 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, result);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
614 Variant floatVar = new Variant();
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
615 floatVar.setData(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
616 return floatVar.getFloat();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
617 } finally {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
618 COM.VariantClear(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
619 COM.VariantClear(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
620 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
621
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
622 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
623 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
624 * Returns the Java int represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
625 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
626 * <p>If this Variant does not contain a Java int, an attempt is made to
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
627 * coerce the Variant type into a Java int. If this fails, an error is thrown.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
628 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
629 * @return the Java int represented by this Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
630 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
631 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
632 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant can not be coerced into a int</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
633 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
634 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
635 public int getInt() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
636 if (type is COM.VT_EMPTY) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
637 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
638 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
639 if (type is COM.VT_I4) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
640 return intData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
641 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
642
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
643 // try to coerce the value to the desired type
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
644 VARIANT oldPtr, newPtr;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
645 try {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
646 getData(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
647 int result = COM.VariantChangeType(&newPtr, &oldPtr, 0, COM.VT_I4);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
648 if (result !is COM.S_OK)
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
649 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, result);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
650 Variant intVar = new Variant();
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
651 intVar.setData(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
652 return intVar.getInt();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
653 } finally {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
654 COM.VariantClear(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
655 COM.VariantClear(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
656 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
657 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
658 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
659 * Returns the Java long represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
660 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
661 * <p>If this Variant does not contain a Java long, an attempt is made to
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
662 * coerce the Variant type into a Java long. If this fails, an error is thrown.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
663 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
664 * @return the Java long represented by this Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
665 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
666 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
667 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant can not be coerced into a long</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
668 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
669 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
670 * @since 3.2
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
671 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
672 public long getLong() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
673 if (type is COM.VT_EMPTY) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
674 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
675 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
676 if (type is COM.VT_I8) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
677 return longData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
678 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
679
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
680 // try to coerce the value to the desired type
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
681 VARIANT oldPtr, newPtr;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
682 try {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
683 getData(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
684 int result = COM.VariantChangeType(&newPtr, &oldPtr, 0, COM.VT_I8);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
685 if (result !is COM.S_OK)
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
686 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, result);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
687 Variant longVar = new Variant();
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
688 longVar.setData(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
689 return longVar.getLong();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
690 } finally {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
691 COM.VariantClear(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
692 COM.VariantClear(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
693 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
694 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
695 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
696 * Returns the Java short represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
697 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
698 * <p>If this Variant does not contain a Java short, an attempt is made to
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
699 * coerce the Variant type into a Java short. If this fails, an error is thrown.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
700 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
701 * @return the Java short represented by this Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
702 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
703 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
704 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant can not be coerced into a short</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
705 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
706 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
707 public short getShort() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
708 if (type is COM.VT_EMPTY) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
709 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
710 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
711 if (type is COM.VT_I2) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
712 return shortData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
713 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
714
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
715 // try to coerce the value to the desired type
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
716 VARIANT oldPtr, newPtr;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
717 try {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
718 getData(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
719 int result = COM.VariantChangeType(&newPtr, &oldPtr, 0, COM.VT_I2);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
720 if (result !is COM.S_OK)
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
721 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, result);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
722 Variant shortVar = new Variant();
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
723 shortVar.setData(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
724 return shortVar.getShort();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
725 } finally {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
726 COM.VariantClear(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
727 COM.VariantClear(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
728 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
729
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
730 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
731 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
732 * Returns the Java String represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
733 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
734 * <p>If this Variant does not contain a Java String, an attempt is made to
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
735 * coerce the Variant type into a Java String. If this fails, an error is thrown.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
736 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
737 * @return the Java String represented by this Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
738 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
739 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
740 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant can not be coerced into a String</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
741 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
742 */
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
743 public String getString() {
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
744 if (type is COM.VT_EMPTY) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
745 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
746 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
747 if (type is COM.VT_BSTR) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
748 return stringData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
749 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
750
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
751 // try to coerce the value to the desired type
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
752 VARIANT oldPtr, newPtr;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
753 try {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
754 getData(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
755 int result = COM.VariantChangeType(&newPtr, &oldPtr, 0, COM.VT_BSTR);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
756 if (result !is COM.S_OK)
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
757 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, result);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
758
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
759 Variant stringVar = new Variant();
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
760 stringVar.setData(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
761 return stringVar.getString();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
762
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
763 } finally {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
764 COM.VariantClear(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
765 COM.VariantClear(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
766 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
767 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
768 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
769 * Returns the type of the variant type. This will be an OLE.VT_* value or
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
770 * a bitwise combination of OLE.VT_* values as in the case of
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
771 * OLE.VT_BSTR | OLE.VT_BYREF.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
772 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
773 * @return the type of the variant data
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
774 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
775 * @since 2.0
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
776 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
777 public short getType() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
778 return type;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
779 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
780 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
781 * Returns the IUnknown object represented by this Variant.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
782 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
783 * <p>If this Variant does not contain an IUnknown object, an attempt is made to
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
784 * coerce the Variant type into an IUnknown object. If this fails, an error is
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
785 * thrown.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
786 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
787 * @return the IUnknown object represented by this Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
788 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
789 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
790 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant can not be coerced into
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
791 * an IUnknown object</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
792 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
793 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
794 public IUnknown getUnknown() {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
795 if (type is COM.VT_EMPTY) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
796 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, -1);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
797 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
798 if (type is COM.VT_UNKNOWN) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
799 return unknownData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
800 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
801
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
802 // try to coerce the value to the desired type
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
803 VARIANT oldPtr, newPtr;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
804 try {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
805 getData(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
806 int result = COM.VariantChangeType(&newPtr, &oldPtr, 0, COM.VT_UNKNOWN);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
807 if (result !is COM.S_OK)
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
808 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE, result);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
809 Variant unknownVar = new Variant();
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
810 unknownVar.setData(&newPtr);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
811 return unknownVar.getUnknown();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
812 } finally {
98
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
813 COM.VariantClear(&oldPtr);
ecba636b634e package dwt/ole
Frank Benoit <benoit@tionex.de>
parents: 97
diff changeset
814 COM.VariantClear(&newPtr); // Note: This must absolutely be done AFTER the
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
815 // IUnknown object is created as Variant Clear
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
816 // will result in a Release being performed on the
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
817 // Dispatch object
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
818 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
819 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
820 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
821 * Update the by reference value of this variant with a new bool value.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
822 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
823 * @param val the new bool value
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
824 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
825 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
826 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant is not
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
827 * a (VT_BYREF | VT_BOOL) object</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
828 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
829 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
830 * @since 2.1
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
831 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
832 public void setByRef(bool val) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
833 if ((type & COM.VT_BYREF) is 0 || (type & COM.VT_BOOL) is 0) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
834 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
835 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
836 auto v = val ? COM.VARIANT_TRUE : COM.VARIANT_FALSE;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
837 COM.MoveMemory(byRefPtr, &v, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
838 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
839 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
840 * Update the by reference value of this variant with a new float value.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
841 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
842 * @param val the new float value
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
843 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
844 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
845 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant is not
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
846 * a (VT_BYREF | VT_R4) object</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
847 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
848 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
849 * @since 2.1
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
850 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
851 public void setByRef(float val) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
852 if ((type & COM.VT_BYREF) is 0 || (type & COM.VT_R4) is 0) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
853 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
854 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
855 COM.MoveMemory(byRefPtr, &val, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
856 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
857 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
858 * Update the by reference value of this variant with a new integer value.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
859 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
860 * @param val the new integer value
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
861 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
862 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
863 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant is not a (VT_BYREF | VT_I4) object</li>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
864 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
865 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
866 * @since 2.1
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
867 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
868 public void setByRef(int val) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
869 if ((type & COM.VT_BYREF) is 0 || (type & COM.VT_I4) is 0) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
870 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
871 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
872 COM.MoveMemory(byRefPtr, &val, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
873 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
874 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
875 * Update the by reference value of this variant with a new short value.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
876 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
877 * @param val the new short value
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
878 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
879 * @exception DWTException <ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
880 * <li>ERROR_CANNOT_CHANGE_VARIANT_TYPE when type of Variant is not a (VT_BYREF | VT_I2) object
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
881 * </ul>
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
882 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
883 * @since 2.1
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
884 */
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
885 public void setByRef(short val) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
886 if ((type & COM.VT_BYREF) is 0 || (type & COM.VT_I2) is 0) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
887 OLE.error(OLE.ERROR_CANNOT_CHANGE_VARIANT_TYPE);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
888 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
889 COM.MoveMemory(byRefPtr, &val, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
890 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
891
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
892 void setData(VARIANT* pData){
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
893 if (pData is null) OLE.error(OLE.ERROR_INVALID_ARGUMENT);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
894
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
895 short[1] dataType ;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
896 COM.MoveMemory(dataType.ptr, pData, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
897 type = dataType[0];
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
898
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
899 if ((type & COM.VT_BYREF) is COM.VT_BYREF) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
900 void*[1] newByRefPtr;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
901 OS.MoveMemory(newByRefPtr.ptr, pData + 8, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
902 byRefPtr = newByRefPtr[0];
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
903 return;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
904 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
905
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
906 switch (type) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
907 case COM.VT_EMPTY :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
908 case COM.VT_NULL :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
909 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
910 case COM.VT_BOOL :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
911 short[1] newBooleanData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
912 COM.MoveMemory(newBooleanData.ptr, pData + 8, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
913 booleanData = (newBooleanData[0] !is COM.VARIANT_FALSE);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
914 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
915 case COM.VT_I1 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
916 byte[1] newByteData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
917 COM.MoveMemory(newByteData.ptr, pData + 8, 1);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
918 byteData = newByteData[0];
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
919 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
920 case COM.VT_I2 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
921 short[1] newShortData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
922 COM.MoveMemory(newShortData.ptr, pData + 8, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
923 shortData = newShortData[0];
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
924 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
925 case COM.VT_UI2 :
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
926 wchar[1] newCharData;
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
927 COM.MoveMemory(newCharData.ptr, pData + 8, 2);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
928 charData = newCharData[0];
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
929 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
930 case COM.VT_I4 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
931 int[1] newIntData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
932 OS.MoveMemory(newIntData.ptr, pData + 8, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
933 intData = newIntData[0];
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
934 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
935 case COM.VT_I8 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
936 long[1] newLongData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
937 OS.MoveMemory(newLongData.ptr, pData + 8, 8);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
938 longData = newLongData[0];
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
939 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
940 case COM.VT_R4 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
941 float[1] newFloatData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
942 COM.MoveMemory(newFloatData.ptr, pData + 8, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
943 floatData = newFloatData[0];
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
944 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
945 case COM.VT_R8 :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
946 double[1] newDoubleData;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
947 COM.MoveMemory(newDoubleData.ptr, pData + 8, 8);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
948 doubleData = newDoubleData[0];
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
949 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
950 case COM.VT_DISPATCH : {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
951 IDispatch[1] ppvObject;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
952 OS.MoveMemory(ppvObject.ptr, pData + 8, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
953 if (ppvObject[0] is null) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
954 type = COM.VT_EMPTY;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
955 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
956 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
957 dispatchData = ppvObject[0];
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
958 dispatchData.AddRef();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
959 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
960 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
961 case COM.VT_UNKNOWN : {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
962 IUnknown[1] ppvObject;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
963 OS.MoveMemory(ppvObject.ptr, pData + 8, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
964 if (ppvObject[0] is null) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
965 type = COM.VT_EMPTY;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
966 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
967 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
968 unknownData = ppvObject[0];
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
969 unknownData.AddRef();
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
970 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
971 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
972 case COM.VT_BSTR :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
973 // get the address of the memory in which the string resides
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
974 wchar*[1] hMem;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
975 OS.MoveMemory(hMem.ptr, pData + 8, 4);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
976 if (hMem[0] is null) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
977 type = COM.VT_EMPTY;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
978 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
979 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
980 // Get the size of the string from the OS - the size is expressed in number
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
981 // of bytes - each unicode character is 2 bytes.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
982 int size = COM.SysStringByteLen(hMem[0]);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
983 if (size > 0){
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
984 // get the unicode character array from the global memory and create a String
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
985 wchar[] buffer = new wchar[(size + 1) /2]; // add one to avoid rounding errors
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
986 COM.MoveMemory(buffer.ptr, hMem[0], size);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
987 stringData = WCHARsToStr( buffer );
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
988 } else {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
989 stringData = ""; //$NON-NLS-1$
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
990 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
991 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
992
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
993 default :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
994 // try coercing it into one of the known forms
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
995 auto newPData = cast(VARIANT*) OS.GlobalAlloc(OS.GMEM_FIXED | OS.GMEM_ZEROINIT, VARIANT.sizeof);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
996 if (COM.VariantChangeType(newPData, pData, 0, COM.VT_R4) is COM.S_OK) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
997 setData(newPData);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
998 } else if (COM.VariantChangeType(newPData, pData, 0, COM.VT_I4) is COM.S_OK) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
999 setData(newPData);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1000 } else if (COM.VariantChangeType(newPData, pData, 0, COM.VT_BSTR) is COM.S_OK) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1001 setData(newPData);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1002 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1003 COM.VariantClear(newPData);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1004 OS.GlobalFree(newPData);
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1005 break;
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1006 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1007 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1008
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1009 /**
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1010 * Returns a string containing a concise, human-readable
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1011 * description of the receiver.
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1012 *
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1013 * @return a string representation of the Variant
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1014 */
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
1015 public String toString () {
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1016 switch (type) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1017 case COM.VT_BOOL :
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
1018 return "VT_BOOL{"~to!(String)(booleanData)~"}";
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1019 case COM.VT_I1 :
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
1020 return "VT_I1{"~to!(String)(byteData)~"}";
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1021 case COM.VT_I2 :
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
1022 return "VT_I2{"~to!(String)(shortData)~"}";
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1023 case COM.VT_UI2 :
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
1024 return "VT_UI2{"~ dcharToString(charData) ~"}";
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1025 case COM.VT_I4 :
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
1026 return "VT_I4{"~to!(String)(intData)~"}";
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1027 case COM.VT_I8 :
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
1028 return "VT_I8{"~to!(String)(longData)~"}";
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1029 case COM.VT_R4 :
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
1030 return "VT_R4{"~to!(String)(floatData)~"}";
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1031 case COM.VT_R8 :
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
1032 return "VT_R8{"~to!(String)(doubleData)~"}";
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1033 case COM.VT_BSTR :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1034 return "VT_BSTR{"~stringData~"}";
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1035 case COM.VT_DISPATCH :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1036 return Format("VT_DISPATCH{{0x{:X}}", cast(void*) (dispatchData is null ? null : dispatchData));
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1037 case COM.VT_UNKNOWN :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1038 return Format("VT_UNKNOWN{{0x{:X}}", cast(void*) (unknownData is null ? null : unknownData));
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1039 case COM.VT_EMPTY :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1040 return "VT_EMPTY";
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1041 case COM.VT_NULL :
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1042 return "VT_NULL";
162
619faee45ef6 add missing default cases
Thomas Graber <d4rkdragon@gmail.com>
parents: 98
diff changeset
1043 default:
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1044 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1045 if ((type & COM.VT_BYREF) !is 0) {
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1046 return Format("VT_BYREF|{}{{{}}",(type & ~COM.VT_BYREF), byRefPtr );
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1047 }
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 162
diff changeset
1048 return "Unsupported Type "~to!(String)(type);
97
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1049 }
2e6eb5bd2c16 starting OLE
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1050 }