Draw line 3


   

using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

public class TestGDI5 : System.Windows.Forms.Form{
    
    //in order to paint something OnPaint method needs to be overridden
    
    protected override void OnPaint(System.Windows.Forms.PaintEventArgs pe) {
        //OnPaint method is a member of Form class 
        //The following call sends pe to an event listener Graphics
        base.OnPaint(pe);
        
        
        Graphics g = pe.Graphics ;
        Pen pn = new Pen( Color.Blue );
        // Rectangle rect = new Rectangle(50, 50, 200, 100);
        Point pt1 = new Point( 30, 30);
        Point pt2 = new Point( 110, 100);
        g.DrawLine( pn, pt1, pt2 ); 

    }
    public static void Main() {
        System.Windows.Forms.Application.Run(new TestGDI5());//display form
    }
}




           
          


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