GetArcDirection

Lon Lon Lon

[聲明]
Declare Function GetArcDirection Lib "gdi32" Alias "GetArcDirection" (ByVal hdc As Long) As Long
[說明]
畫圓弧的時候,判斷當前採用的繪圖方向
[參數表]
hdc ------------ Long,要查詢的設備場景
[返回值]
Long,常數AD_COUNTERCLOCKWISE(逆時針)或AD_CLOCKWISE(順時針),零表示出錯

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