GetViewportExtEx |
VB声明 |
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Declare Function GetViewportExtEx Lib "gdi32" Alias "GetViewportExtEx" (ByVal hdc As Long, lpSize As SIZE) As Long |
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说明 |
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获取设备场景视口(viewport)范围 |
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返回值 |
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Long,执行成功为非零值,失败为0 |
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参数表 |
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参数 |
类型及说明 |
hdc |
Long,设备场景句柄 |
lpSize |
SIZE,装载DC视口水平和垂直范围(以设备单元表示)的结构 |
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