GetViewportExtEx |
VB声明 | |
Declare Function GetViewportExtEx Lib "gdi32" Alias "GetViewportExtEx" (ByVal hdc As Long, lpSize As SIZE) As Long | |
说明 | |
获取设备场景视口(viewport)范围 | |
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 |
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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