SetArcDirection |
VB声明 | |
Declare Function SetArcDirection Lib "gdi32" Alias "SetArcDirection" (ByVal hdc As Long, ByVal ArcDirection As Long) As Long | |
说明 | |
设置圆弧的描绘方向 | |
返回值 | |
Long,如执行成功,返回原始的圆弧方向;零意味着出错 | |
参数表 | |
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 | |
可应用于下列函数:Arc, ArcTo, Chord, Ellipse, Pie, Rectangle 和 RoundRect |