1 | ' com/currency.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 Currency |
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9 | Public |
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10 | Sub Currency() |
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11 | cy = 0 |
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12 | End Sub |
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13 | |
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14 | /* |
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15 | Sub Currency(x As CY) |
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16 | cy = x |
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17 | End Sub |
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18 | */ |
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19 | Sub Currency(x As Double) |
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20 | VarCyFromR8(x, cy) |
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21 | End Sub |
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22 | /* |
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23 | Sub Currency(x As Int64) |
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24 | VarCyFromI8(x, cy) |
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25 | End Sub |
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26 | */ |
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27 | /* |
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28 | Const Function Operator +() As Currency |
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29 | Return New Currency(This) |
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30 | End Function |
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31 | */ |
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32 | Const Function Operator -() As Currency |
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33 | Dim ret = New Currency |
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34 | VarCyNeg(This.cy, ret.cy) |
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35 | Return ret |
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36 | End Function |
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37 | |
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38 | Const Function Operator *(y As Currency) As Currency |
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39 | Dim ret = New Currency |
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40 | VarCyMul(This.cy, y.cy, ret.cy) |
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41 | Return ret |
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42 | End Function |
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43 | |
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44 | Const Function Operator *(y As Long) As Currency |
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45 | Dim ret = New Currency |
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46 | VarCyMulI4(This.cy, y, ret.cy) |
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47 | Return ret |
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48 | End Function |
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49 | |
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50 | Const Function Operator *(y As Int64) As Currency |
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51 | Dim ret = New Currency |
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52 | VarCyMulI8(This.cy, y, ret.cy) |
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53 | Return ret |
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54 | End Function |
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55 | |
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56 | Const Function Operator /(y As Variant) As Double |
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57 | Dim vx = New Variant(This) |
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58 | Dim ret = vx / y |
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59 | Return ret.ValR8 |
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60 | End Function |
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61 | |
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62 | Const Function Operator /(y As Currency) As Double |
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63 | Dim vx = New Variant(This) |
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64 | Dim vy = New Variant(y) |
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65 | Dim ret = vx / vy |
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66 | Return ret.ValR8 |
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67 | End Function |
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68 | |
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69 | Const Function Operator +(y As Currency) As Currency |
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70 | Dim ret = New Currency |
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71 | VarCyAdd(This.cy, y.cy, ret.cy) |
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72 | Return ret |
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73 | End Function |
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74 | |
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75 | Const Function Operator -(y As Currency) As Currency |
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76 | Dim ret = New Currency |
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77 | VarCySub(This.cy, y.cy, ret.cy) |
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78 | Return ret |
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79 | End Function |
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80 | |
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81 | Static Function Compare(x As Currency, y As Currency) As HRESULT |
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82 | Return VarCyCmp(x.cy, y.cy) |
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83 | End Function |
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84 | |
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85 | Static Function Compare(x As Currency, y As Double) As HRESULT |
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86 | Return VarCyCmpR8(x.cy, y) |
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87 | End Function |
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88 | |
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89 | Static Function Compare(x As Double, y As Currency) As HRESULT |
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90 | Dim ret = VarCyCmpR8(y.cy, x) |
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91 | Select Case ret |
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92 | Case VARCMP_LT |
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93 | Return VARCMP_GT |
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94 | Case VARCMP_GT |
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95 | Return VARCMP_LT |
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96 | Case Else |
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97 | Return ret |
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98 | End Select |
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99 | End Function |
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100 | |
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101 | Const Function Operator ==(y As Currency) As Boolean |
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102 | Dim c = Compare(This, y) |
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103 | Return c = VARCMP_EQ |
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104 | End Function |
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105 | |
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106 | Const Function Operator ==(y As Double) As Boolean |
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107 | Dim c = Compare(This, y) |
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108 | Return c = VARCMP_EQ |
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109 | End Function |
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110 | |
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111 | Const Function Operator <>(y As Currency) As Boolean |
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112 | Dim c = Compare(This, y) |
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113 | Return c <> VARCMP_EQ |
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114 | End Function |
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115 | |
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116 | Const Function Operator <>(y As Double) As Boolean |
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117 | Dim c = Compare(This, y) |
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118 | Return c <> VARCMP_EQ |
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119 | End Function |
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120 | |
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121 | Const Function Operator <(y As Currency) As Boolean |
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122 | Dim c = Compare(This, y) |
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123 | Return c = VARCMP_LT |
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124 | End Function |
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125 | |
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126 | Const Function Operator <(y As Double) As Boolean |
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127 | Dim c = Compare(This, y) |
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128 | Return c = VARCMP_LT |
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129 | End Function |
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130 | |
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131 | Const Function Operator >(y As Currency) As Boolean |
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132 | Dim c = Compare(This, y) |
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133 | Return c = VARCMP_GT |
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134 | End Function |
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135 | |
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136 | Const Function Operator >(y As Double) As Boolean |
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137 | Dim c = Compare(This, y) |
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138 | Return c = VARCMP_GT |
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139 | End Function |
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140 | |
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141 | Const Function Operator <=(y As Currency) As Boolean |
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142 | Dim c = Compare(This, y) |
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143 | Return c = VARCMP_LT Or c = VARCMP_EQ |
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144 | End Function |
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145 | |
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146 | Const Function Operator <=(y As Double) As Boolean |
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147 | Dim c = Compare(This, y) |
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148 | Return c = VARCMP_LT Or c = VARCMP_EQ |
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149 | End Function |
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150 | |
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151 | Const Function Operator >=(y As Currency) As Boolean |
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152 | Dim c = Compare(This, y) |
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153 | Return c = VARCMP_GT Or c = VARCMP_EQ |
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154 | End Function |
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155 | |
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156 | Const Function Operator >=(y As Double) As Boolean |
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157 | Dim c = Compare(This, y) |
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158 | Return c = VARCMP_GT Or c = VARCMP_EQ |
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159 | End Function |
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160 | |
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161 | Const Function Abs() As Currency |
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162 | Abs = New Currency |
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163 | VarCyAbs(This.cy, Abs.cy) |
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164 | End Function |
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165 | |
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166 | Const Function Fix() As Currency |
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167 | Fix = New Currency |
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168 | VarCyFix(This.cy, Fix.cy) |
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169 | End Function |
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170 | |
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171 | Const Function Int() As Currency |
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172 | Int = New Currency |
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173 | VarCyInt(This.cy, Int.cy) |
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174 | End Function |
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175 | |
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176 | Const Function Round(c = 0 As Long) As Currency |
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177 | Round = New Currency |
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178 | VarCyRound(This.cy, c, Round.cy) |
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179 | End Function |
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180 | |
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181 | Const Function Cy() As CY |
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182 | Cy = cy |
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183 | End Function |
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184 | |
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185 | Sub Cy(c As CY) |
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186 | cy = c |
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187 | End Sub |
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188 | |
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189 | Const Function ToDouble() As Double |
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190 | VarR8FromCy(cy, ToDouble) |
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191 | End Function |
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192 | |
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193 | Const Function ToInt64() As Int64 |
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194 | VarI8FromCy(cy, ToInt64) |
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195 | End Function |
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196 | |
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197 | Const Function ToVariant() As Variant |
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198 | Return New Variant(This) |
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199 | End Function |
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200 | |
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201 | Override Function ToString() As String |
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202 | /*Using*/ Dim bstr = New BString |
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203 | Dim bs As BSTR |
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204 | VarBstrFromCy(cy, LOCALE_USER_DEFAULT, LOCALE_USE_NLS, bs) |
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205 | bstr.Attach(bs) |
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206 | ToString = bstr.ToString |
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207 | bstr.Dispose() 'End Using |
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208 | End Function |
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209 | |
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210 | Override Function GetHashCode() As Long |
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211 | Return HIDWORD(cy) Xor LODWORD(cy) |
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212 | End Function |
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213 | |
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214 | Function Equals(y As Currency) As Boolean |
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215 | Dim c = Compare(This, y) |
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216 | Return c = VARCMP_EQ |
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217 | End Function |
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218 | Private |
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219 | cy As CY |
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220 | End Class |
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221 | |
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222 | End Namespace 'COM |
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223 | End Namespace 'ActiveBasic |
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