GetArcDirection |
VB聲明 |
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Declare Function GetArcDirection Lib "gdi32" Alias "GetArcDirection" (ByVal hdc As Long) As Long |
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說明 |
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畫圓弧的時候,判斷當前采用的繪圖方向 |
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返回值 |
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Long,常數(shù)AD_COUNTERCLOCKWISE(逆時針)或AD_CLOCKWISE(順時針),零表示出錯 |
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參數(shù)表 |
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參數(shù) |
類型及說明 |
hdc |
Long,要查詢的設備場景 |
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