c# - How to draw a line with line caps

Draw a line with line caps
DrawLinesWithLineCaps.aspx

<%@ Page Language="C#" AutoEventWireup="true" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Text" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<%@ Import Namespace="System.Drawing.Imaging" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    protected void Button1_Click(object sender, System.EventArgs e)
    {
        Bitmap bmp = new Bitmap(600,250);
        Graphics g = Graphics.FromImage(bmp);
        g.Clear(Color.PapayaWhip);

        Pen drawingPen = new Pen(Color.Crimson, 15);
        g.DrawLine(drawingPen,50,50,500,50);

        drawingPen.StartCap = LineCap.Round;
        drawingPen.EndCap = LineCap.ArrowAnchor;
        g.DrawLine(drawingPen, 50, 100, 500, 100);

        drawingPen.StartCap = LineCap.DiamondAnchor;
        drawingPen.EndCap = LineCap.Triangle;
        g.DrawLine(drawingPen, 50, 150, 500, 150);

        String path = Server.MapPath("~/Image/DrawLinesWithLineCaps.jpg");
        bmp.Save(path,ImageFormat.Jpeg);

        Image1.ImageUrl = "~/Image/DrawLinesWithLineCaps.jpg";
        g.Dispose();
        bmp.Dispose();
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>how to draw a line with line caps in asp.net</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h2 style="color:MidnightBlue; font-style:italic;">
            How to draw a line with line caps in asp.net
        </h2>
        <hr width="600" align="left" color="DarkBlue" />
        <asp:Image
             ID="Image1"
             runat="server"
             />
        <br />
        <asp:Button 
            ID="Button1"
            runat="server"
            OnClick="Button1_Click"
            Text="Draw lines with line caps"
            Height="45"
            Font-Bold="true"
            ForeColor="DarkBlue"
            />
    </div>
    </form>
</body>
</html>
More asp.net examples