PixelFormat.DontCare
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form {
protected override void OnPaint(PaintEventArgs e) {
Graphics g = e.Graphics;
Bitmap bmp = new Bitmap("rama.jpg");
g.FillRectangle(Brushes.White, this.ClientRectangle);
Rectangle r = new Rectangle(120, 120, 400, 400);
Bitmap bmp2 = bmp.Clone(r, System.Drawing.Imaging.PixelFormat.DontCare);
g.DrawImage(bmp, new Rectangle(0, 0, 200, 200));
g.DrawImage(bmp2, new Rectangle(210, 0, 200, 200));
bmp2.Dispose();
}
public static void Main() {
Application.Run(new Form1());
}
}
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