1 | ' com/vbobject.ab |
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2 | |
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3 | #require <com/variant.ab> |
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4 | |
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5 | Namespace ActiveBasic |
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6 | Namespace COM |
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7 | |
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8 | Class VBObjectBase |
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9 | Implements System.IDisposable, System.IEquatable<VBObjectBase> |
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10 | Public |
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11 | Sub VBObjectBase() |
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12 | disp = Nothing |
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13 | End Sub |
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14 | |
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15 | Sub VBObjectBase(dispObj As IDispatch) |
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16 | copy(disp, dispObj) |
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17 | End Sub |
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18 | |
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19 | Sub ~VBObjectBase() |
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20 | Dispose() |
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21 | End Sub |
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22 | |
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23 | Sub Clear() |
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24 | Dispose() |
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25 | End Sub |
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26 | |
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27 | Virtual Sub Dispose() |
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28 | If ObjPtr(disp) <> 0 Then |
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29 | disp.Release() |
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30 | disp = Nothing |
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31 | End If |
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32 | End Sub |
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33 | |
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34 | ' Override Function Equals(y As Object) As Boolean |
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35 | ' End Function |
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36 | |
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37 | Virtual Function Equals(y As VBObjectBase) As Boolean |
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38 | Return Detail.COMReferenceEquals(This.Dispatch, y.Dispatch) |
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39 | End Function |
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40 | /* |
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41 | Override Function GetHashCode() As Long |
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42 | Dim punk = _System_GetUnknown(pdisp) |
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43 | GetHashCode = _System_HashFromPtr(punk) |
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44 | punk->Release() |
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45 | End Function |
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46 | */ |
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47 | |
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48 | Function Copy() As IDispatch |
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49 | copy(Copy, disp) |
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50 | End Function |
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51 | |
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52 | Sub Attach(ByRef y As IDispatch) |
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53 | ' Clear() |
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54 | ' move(pdisp, y) |
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55 | End Sub |
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56 | |
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57 | Function Detach() As IDispatch |
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58 | move(Detach, disp) |
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59 | End Function |
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60 | |
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61 | Function Dispatch() As IDispatch |
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62 | Dispatch = disp |
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63 | End Function |
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64 | Protected |
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65 | |
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66 | Sub attach(ByRef y As IDispatch) |
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67 | Clear() |
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68 | move(disp, y) |
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69 | End Sub |
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70 | |
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71 | Private |
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72 | disp As IDispatch |
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73 | |
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74 | Static Sub copy(ByRef dst As IDispatch, ByVal src As IDispatch) |
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75 | dst = src |
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76 | If ObjPtr(src) <> 0 Then |
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77 | src.AddRef() |
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78 | End If |
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79 | End Sub |
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80 | |
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81 | Static Sub move(ByRef dst As IDispatch, ByRef src As IDispatch) |
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82 | dst = src |
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83 | src = Nothing |
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84 | End Sub |
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85 | |
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86 | End Class |
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87 | |
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88 | Class VBObject |
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89 | Inherits VBObjectBase |
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90 | Public |
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91 | Static Function Attach(y As IDispatch) As VBObject |
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92 | Attach = New VBObject |
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93 | Attach.attach(y) |
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94 | End Function |
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95 | |
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96 | Sub VBObject() |
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97 | disp = Nothing |
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98 | End Sub |
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99 | |
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100 | Sub VBObject(className As String, outer = Nothing As IUnknown, clsContext = CLSCTX_ALL As DWord) |
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101 | VBObjectBase(createInstance(className, outer, clsContext)) |
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102 | End Sub |
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103 | |
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104 | Sub VBObject(ByRef clsid As CLSID, outer = Nothing As IUnknown, clsContext = CLSCTX_ALL As DWord) |
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105 | VBObjectBase(createInstance(clsid, outer, clsContext)) |
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106 | End Sub |
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107 | Private |
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108 | Function createInstance(className As String, outer As IUnknown, clsContext As DWord) As IDispatch |
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109 | Dim clsid = Detail.StringToCLSID(ToWCStr(className)) |
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110 | createInstance = createInstance(clsid, outer, clsContext) |
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111 | End Function |
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112 | |
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113 | Function createInstance(ByRef clsid As CLSID, outer As IUnknown, clsContext As DWord) As IDispatch |
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114 | Dim hr = CoCreateInstance(clsid, ObjPtr(outer), clsContext, IID_IDispatch, createInstance) |
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115 | Windows.ThrowIfFailed(hr) |
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116 | End Function |
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117 | Public |
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118 | |
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119 | Function Operator [](name As PCWSTR) As DispatchCaller |
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120 | Return GetCaller(name) |
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121 | End Function |
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122 | |
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123 | Function Operator [](name As String) As DispatchCaller |
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124 | Return GetCaller(ToWCStr(name)) |
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125 | End Function |
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126 | |
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127 | Private |
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128 | Function GetCaller(name As PCWSTR) As DispatchCaller |
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129 | Dim dispid As DISPID |
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130 | Dim hr = Dispatch.GetIDsOfNames(GUID_NULL, VarPtr(name), 1, LOCALE_USER_DEFAULT, VarPtr(dispid)) |
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131 | Windows.ThrowIfFailed(hr) |
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132 | Return New DispatchCaller(disp, dispid) |
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133 | End Function |
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134 | End Class |
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135 | |
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136 | Class DispatchCaller |
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137 | Implements System.IDisposable |
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138 | Public |
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139 | Sub DispatchCaller() |
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140 | End Sub |
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141 | Sub DispatchCaller(dispObj As IDispatch, dispatchId As DISPID) |
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142 | disp = dispObj |
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143 | disp.AddRef() |
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144 | dispid = dispatchId |
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145 | End Sub |
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146 | |
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147 | Sub Dispose() |
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148 | If ObjPtr(disp) <> NULL Then |
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149 | disp.Release() |
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150 | disp = Nothing |
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151 | End If |
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152 | End Sub |
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153 | |
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154 | Sub ~DispatchCaller() |
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155 | Dispose() |
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156 | End Sub |
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157 | |
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158 | Function Prop() As Variant |
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159 | Dim dispParams As DISPPARAMS |
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160 | With dispParams |
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161 | .rgvarg = 0 |
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162 | .rgdispidNamedArgs = 0 |
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163 | .cArgs = 0 |
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164 | .cNamedArgs = 0 |
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165 | End With |
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166 | Call = New Variant |
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167 | Dim hr = disp.Invoke(dispid, GUID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET, dispParams, ByVal Call.PtrToVariant, ByVal 0, 0) |
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168 | Windows.ThrowIfFailed(hr) |
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169 | Dispose() |
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170 | End Function |
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171 | |
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172 | Sub Prop(arg As Variant) |
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173 | Prop(ByVal arg.PtrToVariant) |
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174 | End Sub |
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175 | |
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176 | Sub Prop(ByRef arg As VARIANT) |
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177 | setProp(arg, DISPATCH_PROPERTYPUT) |
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178 | End Sub |
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179 | |
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180 | Sub PropRef(arg As Variant) |
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181 | PropRef(ByVal arg.PtrToVariant) |
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182 | End Sub |
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183 | |
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184 | Sub PropRef(ByRef arg As VARIANT) |
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185 | setProp(arg, DISPATCH_PROPERTYPUTREF) |
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186 | End Sub |
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187 | |
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188 | Function Call(cArgs As Long, args As *VARIANT) As Variant |
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189 | Dim dispParams As DISPPARAMS |
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190 | With dispParams |
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191 | .rgvarg = args |
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192 | .rgdispidNamedArgs = 0 |
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193 | .cArgs = cArgs |
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194 | .cNamedArgs = 0 |
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195 | End With |
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196 | Call = New Variant |
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197 | Dim hr = disp.Invoke(dispid, GUID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, dispParams, ByVal Call.PtrToVariant, ByVal 0, 0) |
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198 | Windows.ThrowIfFailed(hr) |
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199 | Dispose() |
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200 | End Function |
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201 | |
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202 | ' Function Call(cArgs As Long, args As *Variant) As Variant |
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203 | ' End Function |
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204 | |
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205 | Function Call() As Variant |
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206 | Return Call(0, 0) |
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207 | End Function |
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208 | |
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209 | Function Call(arg0 As Variant) As Variant |
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210 | Return Call(1, arg0.PtrToVariant) |
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211 | End Function |
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212 | |
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213 | Function Call(arg0 As Variant, arg1 As Variant) As Variant |
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214 | Dim arg[ELM(2)] As VARIANT |
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215 | arg[0] = arg0.Copy() |
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216 | arg[1] = arg1.Copy() |
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217 | Return Call(2, arg) |
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218 | End Function |
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219 | |
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220 | Function Call(arg0 As Variant, arg1 As Variant, arg2 As Variant) As Variant |
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221 | Dim arg[ELM(3)] As VARIANT |
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222 | arg[0] = arg0.Copy() |
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223 | arg[1] = arg1.Copy() |
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224 | arg[2] = arg2.Copy() |
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225 | Return Call(3, arg) |
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226 | End Function |
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227 | |
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228 | Function Call(arg0 As Variant, arg1 As Variant, arg2 As Variant, arg3 As Variant) As Variant |
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229 | Dim arg[ELM(4)] As VARIANT |
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230 | arg[0] = arg0.Copy() |
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231 | arg[1] = arg1.Copy() |
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232 | arg[2] = arg2.Copy() |
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233 | arg[3] = arg3.Copy() |
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234 | Return Call(4, arg) |
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235 | End Function |
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236 | |
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237 | /* |
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238 | Function Call(arg0 = Variant.OptionalParam As Variant, arg1 = Variant.OptionalParam As Variant, |
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239 | arg2 = Variant.OptionalParam As Variant, arg3 = Variant.OptionalParam As Variant, |
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240 | arg4 = Variant.OptionalParam As Variant, arg5 = Variant.OptionalParam As Variant, |
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241 | arg6 = Variant.OptionalParam As Variant, arg7 = Variant.OptionalParam As Variant, |
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242 | arg8 = Variant.OptionalParam As Variant, arg9 = Variant.OptionalParam As Variant) As Variant |
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243 | Dim arg[ELM(10)] As VARIANT |
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244 | arg[0] = arg0.Copy() |
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245 | arg[1] = arg1.Copy() |
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246 | arg[2] = arg2.Copy() |
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247 | arg[3] = arg3.Copy() |
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248 | arg[4] = arg3.Copy() |
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249 | arg[5] = arg4.Copy() |
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250 | arg[6] = arg5.Copy() |
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251 | arg[7] = arg6.Copy() |
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252 | arg[8] = arg7.Copy() |
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253 | arg[9] = arg8.Copy() |
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254 | Return Call(10, arg) |
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255 | End Function |
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256 | */ |
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257 | Private |
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258 | Sub setProp(ByRef arg As VARIANT, callType As Word) |
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259 | Dim dispidNamed = DISPID_PROPERTYPUT As DISPID |
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260 | Dim dispParams As DISPPARAMS |
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261 | With dispParams |
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262 | .rgvarg = VarPtr(arg) |
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263 | .rgdispidNamedArgs = VarPtr(dispidNamed) |
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264 | .cArgs = 1 |
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265 | .cNamedArgs = 1 |
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266 | End With |
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267 | Dim hr = disp.Invoke(dispid, GUID_NULL, LOCALE_USER_DEFAULT, callType, dispParams, ByVal 0, ByVal 0, 0) |
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268 | Windows.ThrowIfFailed(hr) |
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269 | Dispose() |
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270 | End Sub |
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271 | |
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272 | disp As IDispatch |
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273 | dispid As DISPID |
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274 | End Class |
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275 | |
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276 | Function CallByName(obj As VBObject, procName As String, callType As Word, cArgs As Long, args As *VARIANT) As Variant |
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277 | Return CallByName(obj.Dispatch, ToWCStr(procName), callType, cArgs, args) |
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278 | End Function |
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279 | |
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280 | Function CallByName(obj As VBObject, procName As PCWSTR, callType As Word, cArgs As Long, args As *VARIANT) As Variant |
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281 | Return CallByName(obj.Dispatch, procName, callType, cArgs, args) |
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282 | End Function |
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283 | |
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284 | Function CallByName(obj As IDispatch, name As PCWSTR, callType As Word, cArgs As Long, args As *VARIANT) As Variant |
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285 | Dim dispid As DISPID |
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286 | Dim hr = obj.GetIDsOfNames(GUID_NULL, VarPtr(name), 1, LOCALE_USER_DEFAULT, VarPtr(dispid)) |
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287 | Windows.ThrowIfFailed(hr) |
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288 | Dim dispParams As DISPPARAMS |
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289 | With dispParams |
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290 | .rgvarg = args |
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291 | .rgdispidNamedArgs = 0 |
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292 | .cArgs = cArgs |
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293 | .cNamedArgs = 0 |
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294 | End With |
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295 | CallByName = New Variant |
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296 | hr = obj.Invoke(dispid, GUID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, dispParams, ByVal CallByName.PtrToVariant, ByVal 0, 0) |
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297 | Windows.ThrowIfFailed(hr) |
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298 | End Function |
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299 | /* |
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300 | Function CreateObject(className As PCWSTR) As VBObject |
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301 | Return New VBObject(className, 0, CLSCTX_ALL) |
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302 | End Function |
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303 | |
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304 | Function CreateObject(className As String) As VBObject |
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305 | Return New VBObject(ToWCStr(className), 0, CLSCTX_ALL) |
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306 | End Function |
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307 | */ |
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308 | #ifdef _WIN32_DCOM |
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309 | Function CreateObject(className As PCWSTR, serverName As PCWSTR) As VBObject |
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310 | Dim clsid As CLSID |
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311 | Dim si As COSERVERINFO |
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312 | Dim context As DWord |
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313 | If /*Server = 0 OrElse*/ Server[0] = 0 Then |
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314 | context = CLSCTX_SERVER |
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315 | Else |
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316 | context = CLSCTX_REMOTE_SERVER |
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317 | si.pwszName = serverName |
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318 | End If |
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319 | |
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320 | Dim hr = _System_CLSIDFromString(className, clsid) |
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321 | |
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322 | Dim mqi As MULTI_QI |
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323 | mqi.pIID = VarPtr(IID_IUnknown) |
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324 | hr = CoCreateInstanceEx(clsid, 0, context, si, 1, VarPtr(mqi)) |
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325 | If SUCCEEDED(hr) Then |
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326 | Dim obj As VBObject |
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327 | obj.Attach(mqi.pItf As IDispatch) |
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328 | Return obj |
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329 | Else |
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330 | 'Throw |
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331 | Return Nothing |
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332 | End If |
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333 | End Function |
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334 | |
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335 | Function CreateObject(className As String, serverName As String) As VBObject |
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336 | Return CreateObject(ToWCStr(className), ToWCStr(serverName)) |
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337 | End Function |
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338 | #endif |
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339 | |
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340 | |
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341 | Namespace Detail |
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342 | Function StringToCLSID(pwString As PCWSTR) As CLSID |
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343 | If pwString[0] = &h007b As WCHAR Then |
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344 | ' 1文字目が { ならクラスIDの文字列表現と見なしCLSIDFromStringで変換。 |
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345 | Windows.ThrowIfFailed(CLSIDFromString(pwString, StringToCLSID)) |
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346 | Else |
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347 | Windows.ThrowIfFailed(CLSIDFromProgID(pwString, StringToCLSID)) |
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348 | End If |
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349 | End Function |
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350 | |
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351 | Function COMReferenceEquals(p As IUnknown, q As IUnknown) As Boolean |
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352 | If ObjPtr(p) = ObjPtr(q) Then |
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353 | Return True |
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354 | Else If ObjPtr(p) = 0 Or ObjPtr(q) = 0 Then |
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355 | Return False |
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356 | End If |
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357 | |
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358 | Dim punkX = GetUnknown(p) |
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359 | Dim punkY = GetUnknown(q) |
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360 | If ObjPtr(punkX) = ObjPtr(punkY) Then |
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361 | COMReferenceEquals = True |
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362 | Else |
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363 | COMReferenceEquals = False |
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364 | End If |
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365 | punkX.Release() |
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366 | punkY.Release() |
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367 | End Function |
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368 | |
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369 | Function GetUnknown(p As IUnknown) As IUnknown 'pは任意のCOMインタフェース |
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370 | If FAILED(p.QueryInterface(IID_IUnknown, GetUnknown)) Then |
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371 | GetUnknown = Nothing |
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372 | End If |
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373 | End Function |
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374 | End Namespace 'Detail |
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375 | |
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376 | End Namespace 'COM |
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377 | End Namespace 'ActiveBasic |
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