public void AddPie(float x, float y, float width, float height, float startAngle, float sweepAngle)
{
Changed();
GdiPath.AddPie(x, y, width, height, startAngle, sweepAngle);
}
public void AddPie(Rectangle rect, float startAngle, float sweepAngle)
{
Changed();
GdiPath.AddPie(rect, startAngle, sweepAngle);
}