SetArcDirection |
VB聲明 |
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Declare Function SetArcDirection Lib "gdi32" Alias "SetArcDirection" (ByVal hdc As Long, ByVal ArcDirection As Long) As Long |
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說明 |
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設(shè)置圓弧的描繪方向 |
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返回值 |
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Long,如執(zhí)行成功,返回原始的圓弧方向;零意味著出錯(cuò) |
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參數(shù)表 |
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參數(shù) |
類型及說明 |
hdc |
Long,要設(shè)置的設(shè)備場(chǎng)景 |
ArcDirection |
Long,AD_CLOCKWISE (順時(shí)針)或 AD_COUNTERCLOCKWISE (逆時(shí)針) |
注解 |
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可應(yīng)用于下列函數(shù):Arc, ArcTo, Chord, Ellipse, Pie, Rectangle 和 RoundRect |
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