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) {
Bitmap bmp = new Bitmap(100, 100);
Graphics gImage = Graphics.FromImage(bmp);
gImage.FillRectangle(Brushes.Red, 0, 0, bmp.Width, bmp.Height);
gImage.DrawRectangle(Pens.Black, 10, 10, bmp.Width - 20, bmp.Height - 20);
Graphics gScreen = e.Graphics;
gScreen.FillRectangle(Brushes.White, this.ClientRectangle);
gScreen.DrawImage(bmp, new Rectangle(10, 10, bmp.Width, bmp.Height));
}
public static void Main() {
Application.Run(new Form1());
}
}
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