LineCap 指定了开放路径端点的形状。有三种不同的类型:CAP_BUTT, CAP_ROUND和CAP_SQUARE。
下面代码显示了三种不同的LineCap类型。
private void LineCap()
{
Color blackColor = new Color(0x000000);
Color whiteColor = new Color(0xffffff);
graphics2D.Reset();
graphics2D.Clear(Color.White);
Pen pen = new Pen(blackColor, 20, Pen.CapButt, Pen.JoinMiter);
graphics2D.DrawLine(pen, 40, 60, 140, 60);
pen = new Pen(whiteColor, 1);
graphics2D.DrawLine(pen, 40, 60, 140, 60);
pen = new Pen(blackColor, 20, Pen.CapRound, Pen.JoinMiter);
graphics2D.DrawLine(pen, 40, 100, 140, 100);
pen = new Pen(whiteColor, 1);
graphics2D.DrawLine(pen, 40, 100, 140, 100);
pen = new Pen(blackColor, 20, Pen.CapSquare, Pen.JoinMiter);
graphics2D.DrawLine(pen, 40, 140, 140, 140);
pen = new Pen(whiteColor, 1);
graphics2D.DrawLine(pen, 40, 140, 140, 140);
}