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