[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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[267] | 8 | Namespace ActiveBasic
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| 9 | Namespace COM
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| 10 |
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[192] | 11 | Class Currency
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| 12 | Public
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[211] | 13 | Sub Currency()
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| 14 | cy = 0
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| 15 | End Sub
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| 16 |
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[200] | 17 | /*
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| 18 | Sub Currency(x As CY)
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| 19 | cy = x
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| 20 | End Sub
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| 21 | */
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| 22 | Sub Currency(x As Double)
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| 23 | VarCyFromR8(x, cy)
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| 24 | End Sub
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| 25 | /*
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| 26 | Sub Currency(x As Int64)
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| 27 | VarCyFromI8(x, cy)
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| 28 | End Sub
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| 29 | */
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[192] | 30 | Const Function Operator +() As Currency
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| 31 | Return New Currency(This)
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| 32 | End Function
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| 33 |
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| 34 | Const Function Operator -() As Currency
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| 35 | Dim ret = New Currency
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| 36 | VarCyNeg(This.cy, ret.cy)
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| 37 | Return ret
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| 38 | End Function
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| 39 |
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| 40 | Const Function Operator *(y As Currency) As Currency
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| 41 | Dim ret = New Currency
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| 42 | VarCyMul(This.cy, y.cy, ret.cy)
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| 43 | Return ret
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| 44 | End Function
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| 45 |
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| 46 | Const Function Operator *(y As Long) As Currency
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| 47 | Dim ret = New Currency
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| 48 | VarCyMulI4(This.cy, y, ret.cy)
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| 49 | Return ret
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| 50 | End Function
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| 51 |
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| 52 | Const Function Operator *(y As Int64) As Currency
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| 53 | Dim ret = New Currency
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| 54 | VarCyMulI8(This.cy, y, ret.cy)
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| 55 | Return ret
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| 56 | End Function
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| 57 |
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| 58 | Const Function Operator /(y As Variant) As Double
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| 59 | Dim vx = New Variant(This)
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| 60 | Dim ret= vx / y
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| 61 | Return ret.ValR4
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| 62 | End Function
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| 63 |
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| 64 | Const Function Operator /(y As Currency) As Double
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| 65 | Return This / New Varinat(y)
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| 66 | End Function
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| 67 |
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| 68 | Const Function Operator +(y As Currency) As Currency
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| 69 | Dim ret = New Currency
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| 70 | VarCyAdd(This.cy, y.cy, ret.cy)
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| 71 | Return ret
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| 72 | End Function
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| 73 |
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| 74 | Const Function Operator -(y As Currency) As Currency
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| 75 | Dim ret = New Currency
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| 76 | VarCySub(This.cy, y.cy, ret.cy)
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| 77 | Return ret
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| 78 | End Function
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| 79 |
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[208] | 80 | Static Function Compare(x As Currency, y As Currency) As HRESULT
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| 81 | Return VarCyCmp(x, y)
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| 82 | End Function
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| 83 |
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| 84 | Static Function Compare(x As Currency, y As Double) As HRESULT
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| 85 | Return VarCyCmpR8(x, y)
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| 86 | End Function
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| 87 |
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| 88 | Static Function Compare(x As Double, y As Currency) As HRESULT
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| 89 | Dim ret = VarCyCmpR8(y, x)
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| 90 | Select Case ret
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| 91 | Case VARCMP_LT
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| 92 | Return VARCMP_GT
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| 93 | Case VARCMP_GT
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| 94 | Return VARCMP_LT
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| 95 | Case Else
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| 96 | Return ret
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| 97 | End Select
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| 98 | End Function
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| 99 |
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| 100 | Const Function Operator ==(y As Currency) As Boolean
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| 101 | Dim c = Compare(This, y)
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| 102 | Return c = VARCMP_EQ
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| 103 | End Function
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| 104 |
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| 105 | Const Function Operator ==(y As Double) As Boolean
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| 106 | Dim c = Compare(This, y)
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| 107 | Return c = VARCMP_EQ
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| 108 | End Function
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| 109 |
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| 110 | Const Function Operator <>(y As Currency) As Boolean
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| 111 | Dim c = Compare(This, y)
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| 112 | Return c <> VARCMP_EQ
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| 113 | End Function
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| 114 |
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| 115 | Const Function Operator <>(y As Double) As Boolean
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| 116 | Dim c = Compare(This, y)
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| 117 | Return c <> VARCMP_EQ
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| 118 | End Function
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| 119 |
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| 120 | Const Function Operator <(y As Currency) As Boolean
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| 121 | Dim c = Compare(This, y)
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| 122 | Return c = VARCMP_LT
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| 123 | End Function
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| 124 |
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| 125 | Const Function Operator <(y As Double) As Boolean
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| 126 | Dim c = Compare(This, y)
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| 127 | Return c = VARCMP_LT
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| 128 | End Function
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| 129 | /*
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| 130 | Const Function Operator >(y As Currency) As Boolean
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| 131 | Dim c = Compare(This, y)
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| 132 | Return c = VARCMP_GT
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| 133 | End Function
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| 134 |
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| 135 | Const Function Operator >(y As Double) As Boolean
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| 136 | Dim c = Compare(This, y)
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| 137 | Return c = VARCMP_GT
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| 138 | End Function
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| 139 | */
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| 140 | Const Function Operator <=(y As Currency) As Boolean
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| 141 | Dim c = Compare(This, y)
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| 142 | Return result = VARCMP_LT Or result = VARCMP_EQ
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| 143 | End Function
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| 144 |
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| 145 | Const Function Operator <=(y As Double) As Boolean
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| 146 | Dim c = Compare(This, y)
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| 147 | Return result = VARCMP_LT Or result = VARCMP_EQ
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| 148 | End Function
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| 149 |
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| 150 | Const Function Operator >=(y As Currency) As Boolean
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| 151 | Dim c = Compare(This, y)
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| 152 | Return result = VARCMP_GT Or result = VARCMP_EQ
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| 153 | End Function
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| 154 |
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| 155 | Const Function Operator >=(y As Double) As Boolean
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| 156 | Dim c = Compare(This, y)
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| 157 | Return result = VARCMP_GT Or result = VARCMP_EQ
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| 158 | End Function
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| 159 |
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[192] | 160 | Const Function Abs() As Currency
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[208] | 161 | Abs = New Currency
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[192] | 162 | VarCyAbs(This.cy, Abs.cy)
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| 163 | End Function
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| 164 |
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| 165 | Const Function Fix() As Currency
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[208] | 166 | Fix = New Currency
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[192] | 167 | VarCyFix(This.cy, Fix.cy)
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| 168 | End Function
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| 169 |
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| 170 | Const Function Int() As Currency
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[208] | 171 | Int = New Currency
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[192] | 172 | VarCyInt(This.cy, Int.cy)
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| 173 | End Function
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| 174 |
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| 175 | Const Function Round(c = 0 As Long) As Currency
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[208] | 176 | Round = New Currency
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[192] | 177 | VarCyRound(This.cy, c, Round.cy)
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| 178 | End Function
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[200] | 179 |
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| 180 | Const Function Cy() As CY
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| 181 | Return cy
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| 182 | End Function
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| 183 |
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| 184 | Sub Cy(c As CY)
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| 185 | cy = c
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| 186 | End Sub
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| 187 |
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| 188 | Const Function ToDouble() As Double
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| 189 | VarR8FromCy(cy, ToDouble)
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| 190 | End Function
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| 191 |
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| 192 | Const Function ToInt64() As Int64
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| 193 | VarI8FromCy(cy, ToInt64)
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| 194 | End Function
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| 195 |
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| 196 | Const Function ToVariant() As Variant
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| 197 | Return New Variant(This)
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| 198 | End Function
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| 199 |
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| 200 | Override Function ToString() As String
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| 201 | Dim bs As BSTR
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| 202 | VarBstrFromCy(cy, LOCALE_USER_DEFAULT, LOCALE_USE_NLS, bs)
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| 203 | ToString = New String(bs As PCWSTR, SysStringLen(bs) As Long)
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| 204 | SysFreeString(bs)
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| 205 | End Function
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| 206 |
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| 207 | Override Function GetHashCode() As Long
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| 208 | Return HIDWORD(cy) Xor LODWORD(cy)
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| 209 | End Function
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[211] | 210 |
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| 211 | Function Equals(y As Currency) As Boolean
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| 212 | Dim c = Compare(This, y)
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| 213 | Return c = VARCMP_EQ
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| 214 | End Function
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[192] | 215 | Private
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| 216 | cy As CY
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| 217 | End Class
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[200] | 218 |
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[267] | 219 | End Namespace 'COM
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| 220 | End Namespace 'ActiveBasic
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| 221 |
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[200] | 222 | #endif '_COM_CURRENCY_AB
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