学步园

using System;<br /> using System.Collections.Generic;<br /> using System.ComponentModel;<br /> using System.Data;<br /> using System.Drawing;<br /> using System.Text;<br /> using System.Windows.Forms;<br /> namespace DrawLine<br /> {<br /> public partial class Form1 : Form<br /> {<br /> public Form1()<br /> {<br /> InitializeComponent();<br /> }<br /> private void OnPaint(object sender, PaintEventArgs e)<br /> {<br /> Graphics g = e.Graphics;</p> <p> Pen pen = new Pen(Color.FromArgb(128, 128, 0, 128));<br /> pen.Width = 10;</p> <p> g.DrawLine(pen, 10, 10, 100, 10);//画实线，图中左边第1条线<br /> pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;//虚线笔<br /> g.DrawLine(pen, 10, 50, 100, 50); //画虚线，图中左边第2条线<br /> pen.DashStyle = System.Drawing.Drawing2D.DashStyle.DashDot;<br /> g.DrawLine(pen, 10, 100, 100, 100);//点，短线风格的线<br /> pen.DashStyle = System.Drawing.Drawing2D.DashStyle.DashDotDot;<br /> g.DrawLine(pen, 10, 150, 100, 150);//双点，短线风格的线<br /> pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;<br /> g.DrawLine(pen, 10, 200, 100, 200);//由点组成的线<br /> pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Solid;//实线笔<br /> pen.EndCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;//后箭头<br /> g.DrawLine(pen, 150, 10, 250, 10);//图中右边第1条线<br /> pen.StartCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;//前箭头<br /> g.DrawLine(pen, 150, 50, 250, 50);<br /> pen.EndCap = System.Drawing.Drawing2D.LineCap.RoundAnchor;<br /> g.DrawLine(pen, 150, 100, 250, 100);<br /> pen.EndCap = System.Drawing.Drawing2D.LineCap.SquareAnchor;<br /> g.DrawLine(pen, 150, 150, 250, 150);<br /> pen.EndCap = System.Drawing.Drawing2D.LineCap.DiamondAnchor;<br /> g.DrawLine(pen, 150, 200, 250, 200);<br /> }<br /> }<br /> }