public override void Draw(IDraw draw)
{
draw.DrawRectangleLine(1, this.Color, this.Rectangle.Left, this.Rectangle.Top,
this.Rectangle.Width,
this.Rectangle.Height,
DrawLineStyle.Solid,
null); // 绘制矩形
draw.DrawLine(
1,
this.Color,
this.Rectangle.Left,
this.Rectangle.Top+this.Rectangle.Height/2,
1,
1,
DrawLineStyle.Solid,
null); // 绘制横线
if (!this.Expand)
{
draw.DrawLine(1, this.Color, this.Rectangle.Left + this.Rectangle.Width / 2,
this.Rectangle.Top,
1,
1,
DrawLineStyle.Solid,
null); // 绘制竖线
}
}