[192] | 1 | ' com/currency.ab
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| 2 |
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[200] | 3 | #require <com/variant.ab>
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| 4 |
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| 5 | #ifndef _COM_CURRENCY_AB
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| 6 | #define _COM_CURRENCY_AB
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| 7 |
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[192] | 8 | Class Currency
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| 9 | Public
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[200] | 10 | /*
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| 11 | Sub Currency(x As CY)
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| 12 | cy = x
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| 13 | End Sub
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| 14 | */
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| 15 | Sub Currency(x As Double)
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| 16 | VarCyFromR8(x, cy)
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| 17 | End Sub
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| 18 | /*
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| 19 | Sub Currency(x As Int64)
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| 20 | VarCyFromI8(x, cy)
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| 21 | End Sub
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| 22 | */
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[192] | 23 | Const Function Operator +() As Currency
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| 24 | Return New Currency(This)
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| 25 | End Function
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| 26 |
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| 27 | Const Function Operator -() As Currency
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| 28 | Dim ret = New Currency
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| 29 | VarCyNeg(This.cy, ret.cy)
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| 30 | Return ret
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| 31 | End Function
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| 32 |
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| 33 | Const Function Operator *(y As Currency) As Currency
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| 34 | Dim ret = New Currency
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| 35 | VarCyMul(This.cy, y.cy, ret.cy)
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| 36 | Return ret
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| 37 | End Function
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| 38 |
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| 39 | Const Function Operator *(y As Long) As Currency
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| 40 | Dim ret = New Currency
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| 41 | VarCyMulI4(This.cy, y, ret.cy)
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| 42 | Return ret
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| 43 | End Function
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| 44 |
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| 45 | Const Function Operator *(y As Int64) As Currency
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| 46 | Dim ret = New Currency
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| 47 | VarCyMulI8(This.cy, y, ret.cy)
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| 48 | Return ret
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| 49 | End Function
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| 50 |
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| 51 | Const Function Operator /(y As Variant) As Double
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| 52 | Dim vx = New Variant(This)
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| 53 | Dim ret= vx / y
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| 54 | Return ret.ValR4
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| 55 | End Function
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| 56 |
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| 57 | Const Function Operator /(y As Currency) As Double
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| 58 | Return This / New Varinat(y)
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| 59 | End Function
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| 60 |
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| 61 | Const Function Operator +(y As Currency) As Currency
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| 62 | Dim ret = New Currency
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| 63 | VarCyAdd(This.cy, y.cy, ret.cy)
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| 64 | Return ret
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| 65 | End Function
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| 66 |
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| 67 | Const Function Operator -(y As Currency) As Currency
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| 68 | Dim ret = New Currency
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| 69 | VarCySub(This.cy, y.cy, ret.cy)
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| 70 | Return ret
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| 71 | End Function
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| 72 |
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[208] | 73 | Static Function Compare(x As Currency, y As Currency) As HRESULT
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| 74 | Return VarCyCmp(x, y)
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| 75 | End Function
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| 76 |
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| 77 | Static Function Compare(x As Currency, y As Double) As HRESULT
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| 78 | Return VarCyCmpR8(x, y)
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| 79 | End Function
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| 80 |
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| 81 | Static Function Compare(x As Double, y As Currency) As HRESULT
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| 82 | Dim ret = VarCyCmpR8(y, x)
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| 83 | Select Case ret
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| 84 | Case VARCMP_LT
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| 85 | Return VARCMP_GT
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| 86 | Case VARCMP_GT
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| 87 | Return VARCMP_LT
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| 88 | Case Else
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| 89 | Return ret
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| 90 | End Select
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| 91 | End Function
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| 92 |
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| 93 | Const Function Operator ==(y As Currency) As Boolean
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| 94 | Dim c = Compare(This, y)
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| 95 | Return c = VARCMP_EQ
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| 96 | End Function
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| 97 |
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| 98 | Const Function Operator ==(y As Double) As Boolean
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| 99 | Dim c = Compare(This, y)
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| 100 | Return c = VARCMP_EQ
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| 101 | End Function
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| 102 |
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| 103 | Const Function Operator <>(y As Currency) As Boolean
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| 104 | Dim c = Compare(This, y)
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| 105 | Return c <> VARCMP_EQ
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| 106 | End Function
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| 107 |
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| 108 | Const Function Operator <>(y As Double) As Boolean
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| 109 | Dim c = Compare(This, y)
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| 110 | Return c <> VARCMP_EQ
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| 111 | End Function
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| 112 |
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| 113 | Const Function Operator <(y As Currency) As Boolean
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| 114 | Dim c = Compare(This, y)
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| 115 | Return c = VARCMP_LT
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| 116 | End Function
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| 117 |
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| 118 | Const Function Operator <(y As Double) As Boolean
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| 119 | Dim c = Compare(This, y)
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| 120 | Return c = VARCMP_LT
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| 121 | End Function
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| 122 | /*
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| 123 | Const Function Operator >(y As Currency) As Boolean
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| 124 | Dim c = Compare(This, y)
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| 125 | Return c = VARCMP_GT
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| 126 | End Function
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| 127 |
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| 128 | Const Function Operator >(y As Double) As Boolean
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| 129 | Dim c = Compare(This, y)
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| 130 | Return c = VARCMP_GT
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| 131 | End Function
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| 132 | */
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| 133 | Const Function Operator <=(y As Currency) As Boolean
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| 134 | Dim c = Compare(This, y)
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| 135 | Return result = VARCMP_LT Or result = VARCMP_EQ
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| 136 | End Function
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| 137 |
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| 138 | Const Function Operator <=(y As Double) As Boolean
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| 139 | Dim c = Compare(This, y)
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| 140 | Return result = VARCMP_LT Or result = VARCMP_EQ
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| 141 | End Function
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| 142 |
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| 143 | Const Function Operator >=(y As Currency) As Boolean
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| 144 | Dim c = Compare(This, y)
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| 145 | Return result = VARCMP_GT Or result = VARCMP_EQ
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| 146 | End Function
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| 147 |
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| 148 | Const Function Operator >=(y As Double) As Boolean
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| 149 | Dim c = Compare(This, y)
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| 150 | Return result = VARCMP_GT Or result = VARCMP_EQ
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| 151 | End Function
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| 152 |
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[192] | 153 | Const Function Abs() As Currency
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[208] | 154 | Abs = New Currency
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[192] | 155 | VarCyAbs(This.cy, Abs.cy)
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| 156 | End Function
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| 157 |
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| 158 | Const Function Fix() As Currency
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[208] | 159 | Fix = New Currency
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[192] | 160 | VarCyFix(This.cy, Fix.cy)
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| 161 | End Function
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| 162 |
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| 163 | Const Function Int() As Currency
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[208] | 164 | Int = New Currency
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[192] | 165 | VarCyInt(This.cy, Int.cy)
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| 166 | End Function
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| 167 |
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| 168 | Const Function Round(c = 0 As Long) As Currency
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[208] | 169 | Round = New Currency
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[192] | 170 | VarCyRound(This.cy, c, Round.cy)
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| 171 | End Function
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[200] | 172 |
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| 173 | Const Function Cy() As CY
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| 174 | Return cy
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| 175 | End Function
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| 176 |
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| 177 | Sub Cy(c As CY)
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| 178 | cy = c
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| 179 | End Sub
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| 180 |
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| 181 | Const Function ToDouble() As Double
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| 182 | VarR8FromCy(cy, ToDouble)
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| 183 | End Function
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| 184 |
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| 185 | Const Function ToInt64() As Int64
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| 186 | VarI8FromCy(cy, ToInt64)
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| 187 | End Function
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| 188 |
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| 189 | Const Function ToVariant() As Variant
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| 190 | Return New Variant(This)
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| 191 | End Function
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| 192 |
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| 193 | Override Function ToString() As String
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| 194 | Dim bs As BSTR
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| 195 | VarBstrFromCy(cy, LOCALE_USER_DEFAULT, LOCALE_USE_NLS, bs)
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| 196 | ToString = New String(bs As PCWSTR, SysStringLen(bs) As Long)
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| 197 | SysFreeString(bs)
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| 198 | End Function
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| 199 |
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| 200 | Override Function GetHashCode() As Long
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| 201 | Return HIDWORD(cy) Xor LODWORD(cy)
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| 202 | End Function
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[192] | 203 | Private
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| 204 | cy As CY
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| 205 | End Class
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[200] | 206 |
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| 207 | #endif '_COM_CURRENCY_AB
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