[175] | 1 | ' com/variant.ab
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| 2 |
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| 3 | #ifndef _COM_VARIANT_AB
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| 4 | #define _COM_VARIANT_AB
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| 5 |
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| 6 | #require <oaidl.ab>
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| 7 | #require <oleauto.ab>
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| 8 | #require <com/bstring.ab>
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| 9 | #include <com/vbobject.ab>
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| 10 |
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| 11 | Class Variant
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| 12 | Public
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| 13 | Sub Variant()
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| 14 | VariantInit(v)
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| 15 | End Sub
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| 16 |
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| 17 | Sub Variant(y As Variant)
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| 18 | VariantInit(v)
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| 19 | VariantCopy(v, y.v)
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| 20 | End Sub
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| 21 |
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| 22 | Sub Variant(v As VARIANT)
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| 23 | VariantInit(v)
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| 24 | VariantCopy(v, y)
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| 25 | End Sub
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| 26 |
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| 27 | Sub Variant(n As SByte)
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| 28 | v.vt = VT_I1
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| 29 | SetByte(VarPtr(v.val), n)
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| 30 | End Sub
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| 31 |
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| 32 | Sub Variant(n As Byte)
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| 33 | v.vt = VT_UI1
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| 34 | SetByte(VarPtr(v.val), n)
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| 35 | End Sub
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| 36 |
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| 37 | Sub Variant(n As Integer)
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| 38 | v.vt = VT_I2
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| 39 | SetWord(VarPtr(v.val), n)
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| 40 | End Sub
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| 41 |
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| 42 | Sub Variant(n As Word)
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| 43 | v.vt = VT_UI2
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| 44 | SetWord(VarPtr(v.val), n)
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| 45 | End Sub
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| 46 |
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| 47 | Sub Variant(n As Long)
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| 48 | v.vt = VT_I4
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| 49 | SetDWord(VarPtr(v.val), n)
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| 50 | End Sub
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| 51 |
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| 52 | Sub Variant(n As DWord)
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| 53 | v.vt = VT_UI4
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| 54 | SetDWord(VarPtr(v.val), n)
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| 55 | End Sub
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| 56 |
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| 57 | Sub Variant(n As Int64)
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| 58 | v.vt = VT_I8
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| 59 | SetQWord(VarPtr(v.val), n)
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| 60 | End Sub
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| 61 |
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| 62 | Sub Variant(n As QWord)
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| 63 | v.vt = VT_UI8
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| 64 | SetQWord(VarPtr(v.val), n)
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| 65 | End Sub
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| 66 |
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| 67 | Sub Variant(n As Single)
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| 68 | v.vt = VT_R4
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| 69 | SetSingle(VarPtr(v.val), n)
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| 70 | End Sub
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| 71 |
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| 72 | Sub Variant(n As Double)
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| 73 | v.vt = VT_R8
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| 74 | SetDouble(VarPtr(v.val), n)
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| 75 | End Sub
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| 76 |
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| 77 | Sub Variant(bs As BString)
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| 78 | v.vt = VT_BSTR
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| 79 | SetPointer(VarPtr(v.val), SysAllocStringLen(bs.BStr, bs.Length))
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| 80 | End Sub
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| 81 |
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| 82 | Sub Variant(p As *IUnknown)
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| 83 | p->AddRef()
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| 84 | v.vt = VT_UNKNOWN
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| 85 | SetPointer(VarPtr(v.val), p)
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| 86 | End Sub
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| 87 |
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| 88 | Sub Variant(p As *IDispatch)
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| 89 | p->AddRef()
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| 90 | v.vt = VT_DISPATCH
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| 91 | SetPointer(VarPtr(v.val), p)
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| 92 | End Sub
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| 93 | /*
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| 94 | Sub Variant(b As VARIANT_BOOL)
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| 95 | v.vt = VT_BOOL
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| 96 | SetWord(VarPtr(v.val), b)
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| 97 | End Sub
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| 98 | */
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| 99 | Sub Variant(b As Boolean)
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| 100 | v.vt = VT_BOOL
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| 101 | If b Then
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| 102 | SetWord(VarPtr(v.val), VARIANT_TRUE)
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| 103 | Else
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| 104 | SetWord(VarPtr(v.val), VARIANT_FALSE)
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| 105 | End If
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| 106 | End Sub
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| 107 |
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| 108 | Sub Variant(s As String)
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| 109 | Dim bs As BString(s)
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| 110 | Variant(bs)
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| 111 | End Sub
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| 112 |
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| 113 | Sub ~Variant()
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| 114 | Clear()
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| 115 | End Sub
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| 116 |
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| 117 | Sub Clear()
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| 118 | VariantClear(v)
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| 119 | v.vt = VT_EMPTY
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| 120 | End Sub
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| 121 |
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| 122 | Sub Operator =(y As Variant)
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| 123 | Assign(y.v)
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| 124 | End Sub
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| 125 |
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| 126 | Sub Operator =(y As VARIANT)
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| 127 | Assign(y)
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| 128 | End Sub
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| 129 |
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| 130 | Sub Assign(from As Variant)
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| 131 | Assign(from.v)
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| 132 | End Sub
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| 133 |
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| 134 | Sub Assign(from As VARIANT)
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| 135 | Clear()
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| 136 | Variant.Copy(v, from)
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| 137 | End Sub
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| 138 |
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| 139 | Sub Attach(ByRef from As VARIANT)
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| 140 | Variant.Move(v, from)
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| 141 | End Sub
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| 142 |
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| 143 | Function Detach() As VARIANT
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| 144 | Variant.Move(Detach, v)
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| 145 | End Function
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| 146 |
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| 147 | 'Operators
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| 148 |
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| 149 | Const Function Operator ^(y As Variant) As Variant
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| 150 | Dim ret As Variant
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| 151 | VarPow(This.v, y.v, ret.v)
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| 152 | Return ret
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| 153 | End Function
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| 154 |
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| 155 | Function Operator -() As Variant
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| 156 | Dim ret As Variant
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| 157 | VarNeg(This.v, ret.v)
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| 158 | Return ret
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| 159 | End Function
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| 160 |
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| 161 | Const Function Operator *(y As Variant) As Variant
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| 162 | Dim ret As Variant
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| 163 | VarMul(This.v, y.v, ret.v)
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| 164 | Return ret
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| 165 | End Function
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| 166 |
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| 167 | Const Function Operator /(y As Variant) As Variant
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| 168 | Dim ret As Variant
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| 169 | VarDiv(This.v, y.v, ret.v)
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| 170 | Return ret
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| 171 | End Function
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| 172 |
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| 173 | Const Function Operator \(y As Variant) As Variant
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| 174 | Dim ret As Variant
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| 175 | VarIDiv(This.v, y.v, ret.v)
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| 176 | Return ret
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| 177 | End Function
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| 178 |
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| 179 | Const Function Operator Mod(y As Variant) As Variant
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| 180 | Dim ret As Variant
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| 181 | VarMod(This.v, y.v, ret.v)
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| 182 | Return ret
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| 183 | End Function
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| 184 |
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| 185 | Const Function Operator +(y As Variant) As Variant
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| 186 | Dim ret As Variant
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| 187 | VarAdd(This.v, y.v, ret.v)
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| 188 | Return ret
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| 189 | End Function
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| 190 |
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| 191 | Const Function Operator -(y As Variant) As Variant
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| 192 | Dim ret As Variant
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| 193 | VarSub(This.v, y.v, ret.v)
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| 194 | Return ret
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| 195 | End Function
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| 196 |
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| 197 | Const Function Operator &(y As Variant) As Variant
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| 198 | Dim ret As Variant
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| 199 | VarCat(This.v, y.v, ret.v)
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| 200 | Return ret
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| 201 | End Function
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| 202 |
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| 203 | Const Function Operator And(y As Variant) As Variant
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| 204 | Dim ret As Variant
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| 205 | VarAnd(This.v, y.v, ret.v)
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| 206 | Return ret
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| 207 | End Function
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| 208 |
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| 209 | Const Function Operator Or(y As Variant) As Variant
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| 210 | Dim ret As Variant
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| 211 | VarOr(This.v, y.v, ret.v)
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| 212 | Return ret
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| 213 | End Function
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| 214 |
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| 215 | Const Function Operator Xor(y As Variant) As Variant
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| 216 | Dim ret As Variant
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| 217 | VarXor(This.v, y.v, ret.v)
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| 218 | Return ret
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| 219 | End Function
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| 220 |
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| 221 | Function Operator Not() As Variant
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| 222 | Dim ret As Variant
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| 223 | VarNot(This.v, ret.v)
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| 224 | Return ret
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| 225 | End Function
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| 226 |
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| 227 | Static Function Imp(x As Variant, y As Variant) As Variant
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| 228 | Dim ret As Variant
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| 229 | VarImp(x.v, y.v, ret.v)
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| 230 | Return ret
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| 231 | End Function
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| 232 |
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| 233 | Static Function Eqv(x As Variant, y As Variant) As Variant
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| 234 | Dim ret As Variant
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| 235 | VarEqv(x.v, y.v, ret.v)
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| 236 | Return ret
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| 237 | End Function
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| 238 |
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| 239 | Function Abs() As Variant
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| 240 | Dim ret As Variant
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| 241 | VarAbs(This.v, ret.v)
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| 242 | Return ret
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| 243 | End Function
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| 244 |
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| 245 | Function Fix() As Variant
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| 246 | Dim ret As Variant
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| 247 | VarFix(This.v, ret.v)
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| 248 | Return ret
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| 249 | End Function
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| 250 |
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| 251 | Function Int() As Variant
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| 252 | Dim ret As Variant
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| 253 | VarInt(This.v, ret.v)
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| 254 | Return ret
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| 255 | End Function
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| 256 |
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| 257 | Function Round(cDecimals As Long) As Variant
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| 258 | Dim ret As Variant
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| 259 | VarRound(This.v, cDecimals, ret)
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| 260 | Return ret
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| 261 | End Function
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| 262 |
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| 263 | Function Round() As Variant
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| 264 | Return Round(0)
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| 265 | End Function
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| 266 |
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| 267 | Static Function Compare(x As Variant, y As Variant, lcid As LCID, flags As DWord) As HRESULT
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| 268 | Return VarCmp(x.v, y.v, lcid, flags)
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| 269 | End Function
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| 270 |
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| 271 | Static Function Compare(x As Variant, y As Variant) As HRESULT
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| 272 | Return VarCmp(x.v, y.v, GetUserDefaultLCID(), 0) 'VARCMP_NULL = 3を返す場合があるので注意
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| 273 | End Function
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| 274 |
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| 275 | Const Function Operator ==(y As Variant) As Boolean
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| 276 | Return Compare(This, y) = VARCMP_EQ
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| 277 | End Function
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| 278 |
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| 279 | Const Function Operator <>(y As Variant) As Boolean
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| 280 | Return Compare(This, y) <> VARCMP_EQ
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| 281 | End Function
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| 282 |
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| 283 | Const Function Operator <(y As Variant) As Boolean
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| 284 | Return Compare(This, y) = VARCMP_LT
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| 285 | End Function
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| 286 |
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| 287 | ' Const Function Operator >(y As Variant) As Boolean
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| 288 | ' Return Compare(This, y) = VARCMP_GT
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| 289 | ' End Function
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| 290 |
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| 291 | Const Function Operator <=(y As Variant) As Boolean
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| 292 | Dim result = Compare(This, y)
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| 293 | Return result = VARCMP_LT Or result = VARCMP_EQ
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| 294 | End Function
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| 295 |
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| 296 | Const Function Operator >=(y As Variant) As Boolean
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| 297 | Dim result = Compare(This, y)
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| 298 | Return result = VARCMP_GT Or result = VARCMP_EQ
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| 299 | End Function
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| 300 |
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| 301 | Const Function ChangeType(vt As VARTYPE, flags As Word) As Variant
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| 302 | Dim ret As Variant
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| 303 | ChangeType(ret, flags, vt)
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| 304 | Return ret
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| 305 | End Function
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| 306 |
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| 307 | Const Function ChangeType(vt As VARTYPE) As Variant
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| 308 | Return ChangeType(vt, 0)
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| 309 | End Function
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| 310 |
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| 311 | Const Function ChangeType(ByRef ret As VARIANT, flags As Word, vt As VARTYPE) As HRESULT
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| 312 | Return VariantChangeType(ret, v, flags, vt)
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| 313 | End Function
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| 314 |
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| 315 | Const Function ChangeType(ByRef ret As Variant, flags As Word, vt As VARTYPE) As HRESULT
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| 316 | Return ChangeType(ret.v, flags, vt)
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| 317 | End Function
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| 318 |
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| 319 | Const Function VarType() As VARTYPE
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| 320 | Return v.vt
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| 321 | End Function
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| 322 |
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| 323 | Override Function ToString() As String
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| 324 | Dim tmp = ChangeType(VT_BSTR)
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| 325 | Dim bs = ((tmp.v.val As ULONG_PTR) As BSTR)
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| 326 | Dim s As String(bs As PCWSTR, SysStringLen(bs) As Long)
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| 327 | Return s
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| 328 | End Function
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| 329 |
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| 330 | Override Function GetHashCode() As Long
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| 331 | Dim p = (VarPtr(v) As *DWord)
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| 332 | Return (p[0] Xor p[1] Xor p[2] Xor p[3]) As Long
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| 333 | End Function
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| 334 |
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| 335 | Const Function ValUI1() As Byte
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| 336 | Dim r = ChangeType(VT_UI1)
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| 337 | Return GetByte(VarPtr(r.val))
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| 338 | End Function
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| 339 |
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| 340 | Sub ValUI1(x As Byte)
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| 341 | Clear()
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| 342 | SetByte(VarPtr(v.val), x)
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| 343 | v.vt = VT_UI1
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| 344 | End Sub
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| 345 |
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| 346 | Const Function ValUI2() As Word
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| 347 | Dim r = ChangeType(VT_UI2)
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| 348 | Return GetWord(VarPtr(r.val))
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| 349 | End Function
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| 350 |
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| 351 | Sub ValUI2(x As Word)
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| 352 | Clear()
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| 353 | SetWord(VarPtr(v.val), x)
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| 354 | v.vt = VT_UI2
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| 355 | End Sub
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| 356 |
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| 357 | Const Function ValUI4() As DWord
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| 358 | Dim r = ChangeType(VT_UI4)
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| 359 | Return GetDWord(VarPtr(r.val))
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| 360 | End Function
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| 361 |
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| 362 | Sub ValUI4(x As DWord)
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| 363 | Clear()
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| 364 | SetDWord(VarPtr(v.val), x)
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| 365 | v.vt = VT_UI4
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| 366 | End Sub
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| 367 |
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| 368 | Const Function ValUI8() As QWord
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| 369 | Dim r = ChangeType(VT_UI8)
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| 370 | Return GetQWord(VarPtr(r.val))
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| 371 | End Function
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| 372 |
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| 373 | Sub ValUI8(x As QWord)
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| 374 | Clear()
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| 375 | SetQWord(VarPtr(v.val), x)
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| 376 | v.vt = VT_UI8
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| 377 | End Sub
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| 378 |
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| 379 | Const Function ValI1() As SByte
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| 380 | Dim r = ChangeType(VT_I1)
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| 381 | Return GetByte(VarPtr(r.val)) As SByte
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| 382 | End Function
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| 383 |
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| 384 | Sub ValI1(x As SByte)
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| 385 | Clear()
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| 386 | SetByte(VarPtr(v.val), x As Byte)
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| 387 | v.vt = VT_I1
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| 388 | End Sub
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| 389 |
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| 390 | Const Function ValI2() As Integer
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| 391 | Dim r = ChangeType(VT_I2)
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| 392 | Return GetWord(VarPtr(r.val)) As Integer
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| 393 | End Function
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| 394 |
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| 395 | Sub ValI2(x As Integer)
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| 396 | Clear()
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| 397 | SetWord(VarPtr(v.val), x As Word)
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| 398 | v.vt = VT_I2
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| 399 | End Sub
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| 400 |
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| 401 | Const Function ValI4() As Long
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| 402 | Dim r = ChangeType(VT_I4)
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| 403 | Return GetDWord(VarPtr(r.val)) As Long
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| 404 | End Function
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| 405 |
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| 406 | Sub ValI4(x As Long)
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| 407 | Clear()
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| 408 | SetDWord(VarPtr(v.val), x As DWord)
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| 409 | v.vt = VT_I4
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| 410 | End Sub
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| 411 |
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| 412 | Const Function ValI8() As Int64
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| 413 | Dim r = ChangeType(VT_I8)
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| 414 | Return GetQWord(VarPtr(r.val)) As Int64
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| 415 | End Function
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| 416 |
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| 417 | Sub ValI8(x As Int64)
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| 418 | Clear()
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| 419 | SetQWord(VarPtr(v.val), x As QWord)
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| 420 | v.vt = VT_I8
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| 421 | End Sub
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| 422 |
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| 423 | Const Function ValR4() As Single
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| 424 | Dim r = ChangeType(VT_R4)
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| 425 | Return GetSingle(VarPtr(r.val))
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| 426 | End Function
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| 427 |
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| 428 | Sub ValR4(x As Single)
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| 429 | Clear()
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| 430 | SetDWord(VarPtr(v.val), x)
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| 431 | v.vt = VT_R4
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| 432 | End Sub
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| 433 |
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| 434 | Const Function ValR8() As Double
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| 435 | Dim r = ChangeType(VT_UI8)
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| 436 | Return GetDouble(VarPtr(r.val))
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| 437 | End Function
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| 438 |
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| 439 | Sub ValR8(x As Double)
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| 440 | Clear()
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| 441 | SetDouble(VarPtr(v.val), x)
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| 442 | v.vt = VT_R8
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| 443 | End Sub
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| 444 |
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| 445 | Const Function ValBool() As VARIANT_BOOL
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| 446 | Dim r = ChangeType(VT_BOOL)
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| 447 | Return GetWord(VarPtr(r.val))
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| 448 | End Function
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| 449 |
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| 450 | Sub ValBool(x As VARIANT_BOOL)
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| 451 | Clear()
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| 452 | SetWord(VarPtr(v.val), x)
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| 453 | v.vt = VT_BOOL
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| 454 | End Sub
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| 455 |
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| 456 | Const Function ValError() As SCODE
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| 457 | Dim r = ChangeType(VT_ERROR)
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| 458 | Return GetDWord(VarPtr(r.val))
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| 459 | End Function
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| 460 |
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| 461 | Sub ValError(x As SCODE)
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| 462 | Clear()
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| 463 | SetDWord(VarPtr(v.val), x)
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| 464 | v.vt = VT_ERROR
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| 465 | End Sub
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| 466 |
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| 467 | 'ValCy
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| 468 |
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| 469 | 'ValDate
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| 470 |
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| 471 | Const Function ValBStr() As BString
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| 472 | Dim r As VARIANT
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| 473 | ChangeType(r, 0, VT_BSTR)
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| 474 | Dim bs As BString
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| 475 | bs.Attach(GetPointer(VarPtr(r.val)) As BSTR)
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| 476 | Return bs
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| 477 | End Function
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| 478 |
|
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| 479 | Sub ValBStr(x As BString)
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| 480 | Clear()
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| 481 | v.vt = VT_BSTR
|
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| 482 | End Sub
|
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| 483 |
|
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| 484 | Const Function ValUnknown() As *IUnknown
|
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| 485 | Dim r As VARIANT
|
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| 486 | ChangeType(r, 0, VT_UNKNOWN)
|
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| 487 | Return GetPointer(VarPtr(r.val)) As *IUnknown
|
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| 488 | End Function
|
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| 489 |
|
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| 490 | Sub ValUnknown(x As *IUnknown)
|
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| 491 | Clear()
|
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| 492 | SetPointer(VarPtr(v.val), x.Copy())
|
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| 493 | x->AddRef()
|
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| 494 | v.vt = VT_UNKNOWN
|
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| 495 | End Sub
|
---|
| 496 |
|
---|
| 497 | Const Function ValObject() As VBObject
|
---|
| 498 | Dim r As VARIANT
|
---|
| 499 | ChangeType(r, 0, VT_DISPATH)
|
---|
| 500 | Dim o As VBOBject
|
---|
| 501 | o.Attach(GetPointer(VarPtr(r.val)) As *IDispatch)
|
---|
| 502 | Return o
|
---|
| 503 | End Function
|
---|
| 504 |
|
---|
| 505 | Sub ValObject(x As VBObject)
|
---|
| 506 | Clear()
|
---|
| 507 | SetPointer(VarPtr(v.val), x.Copy())
|
---|
| 508 | x->AddRef()
|
---|
| 509 | v.vt = VT_DISPATH
|
---|
| 510 | End Sub
|
---|
| 511 |
|
---|
| 512 | 'ValArray
|
---|
| 513 |
|
---|
| 514 | 'ValDecimal
|
---|
| 515 |
|
---|
| 516 | Function PtrToVariant() As *VARIANT
|
---|
| 517 | Return VarPtr(v)
|
---|
| 518 | End Function
|
---|
| 519 | Private
|
---|
| 520 | v As VARIANT
|
---|
| 521 |
|
---|
| 522 | Static Sub Copy(ByRef dst As VARIANT, ByRef src As VARIANT)
|
---|
| 523 | VariantCopy(dst, src)
|
---|
| 524 | End Sub
|
---|
| 525 |
|
---|
| 526 |
|
---|
| 527 | Static Sub Move(ByRef dst As VARIANT, ByRef src As VARIANT)
|
---|
| 528 | dst = src
|
---|
| 529 | ' src.vt = VT_EMPTY
|
---|
| 530 | End Sub
|
---|
| 531 | End Class
|
---|
| 532 | /*
|
---|
| 533 | Function Abs(v As Variant) As Variant
|
---|
| 534 | Return v.Abs()
|
---|
| 535 | End Function
|
---|
| 536 |
|
---|
| 537 | Function Fix(v As Variant) As Variant
|
---|
| 538 | Return v.Fix()
|
---|
| 539 | End Function
|
---|
| 540 |
|
---|
| 541 | Function Int(v As Variant) As Variant
|
---|
| 542 | Return v.Int()
|
---|
| 543 | End Function
|
---|
| 544 |
|
---|
| 545 | Function VarType(v As Variant) As VARTYPE
|
---|
| 546 | Return v.VarType()
|
---|
| 547 | End Function
|
---|
| 548 | */
|
---|
| 549 |
|
---|
| 550 | #endif '_COM_VARIANT_AB
|
---|