SetArcDirection |
VB声明 |
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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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说明 |
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设置圆弧的描绘方向 |
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返回值 |
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Long,如执行成功,返回原始的圆弧方向;零意味着出错 |
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参数表 |
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参数 |
类型及说明 |
hdc |
Long,要设置的设备场景 |
ArcDirection |
Long,AD_CLOCKWISE (顺时针)或 AD_COUNTERCLOCKWISE (逆时针) |
注解 |
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可应用于下列函数:Arc, ArcTo, Chord, Ellipse, Pie, Rectangle 和 RoundRect |
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