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| VB声明 |
| Declare Function SetViewportOrgEx Lib "gdi32" Alias
"SetViewportOrgEx" (ByVal hdc As Long, ByVal nX As Long, ByVal nY As Long,
lpPoint As POINTAPI) As Long |
| 说明 |
| 设置设备场景视口起点 |
| 返回值 |
| Long，执行成功为非零值，失败为0 |
| 参数表 |
| 参数 |
类型及说明 |
| hdc |
Long，设备场景句柄 |
| nX,nY |
Long，以设备坐标表示的视口起点 |
| lpPoint |
POINTAPI，装载DC视口原来的起点的结构 |
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