void DrawControlHandle(Graphics graphics, Point point, BezierPoint controlHandle)
{
Color color = Color.Black;
switch (controlHandle)
{
case BezierPoint.StartPoint:
case BezierPoint.EndPoint:
color = EndPointColor;
break;
case BezierPoint.ControlPoint1:
case BezierPoint.ControlPoint2:
color = ControlPointColor;
break;
}
bool hover = controlHandle == HoverObject.ControlHandle;
Brush brush = new SolidBrush(hover ? color : Color.FromArgb(180, color));
PaintHelper.FillDot(graphics, brush, point, ControlHandleSize);
PaintHelper.DrawDot(graphics, PenLine, point, ControlHandleSize);
}