using System;
using System.Drawing;
using System.Threading;
using System.Windows.Forms;
public class AnimateImage : Form {
private int width = 10;
private int height = 10;
Image pic = Image.FromFile(“winter.jpg”);
private Button abort = new Button();
Thread t;
public AnimateImage() {
abort.Text = “Abort”;
abort.Location = new Point(50, 230);
abort.Click += new EventHandler(Abort_Click);
Controls.Add(abort);
SetStyle(ControlStyles.DoubleBuffer
| ControlStyles.AllPaintingInWmPaint
| ControlStyles.UserPaint, true);
t = new Thread(new ThreadStart(Run));
t.Start();
}
protected void Abort_Click(object sender, EventArgs e) {
t.Abort();
}
protected override void OnPaint( PaintEventArgs e ) {
Graphics g = e.Graphics;
g.DrawRectangle(Pens.Black, 8, 8, width+3, height+3);
g.DrawImage(pic, 10, 10, width, height);
base.OnPaint(e);
}
public void Run() {
int dx=5, dy=5;
while (true) {
for(int i = 0; i < 500; i++) {
width += dx;
height += dy;
Invalidate();
Thread.Sleep(30);
}
dx = -dx; dy = -dy;
}
}
public static void Main( ) {
Application.Run(new AnimateImage());
}
}
[/csharp]