Exemple de capture d’ecran

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Windows.Forms.VisualStyles;
using System.Drawing.Drawing2D;
 
public class CaptureEcran : Form
{
 
    [STAThread]
    static void Main()
    {
        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);
        Application.Run(new CaptureEcran());
    }
 
      public CaptureEcran()
      {
            InitializeComponent();
 
      }
 
        private System.Windows.Forms.Panel panel1;
        private System.Windows.Forms.Button btnCapture;
        private System.Windows.Forms.PictureBox picBox;
 
     // Capturer l'ecran dans le Picture Box sur l'événement clique
        private void btnCapture_Click(object sender, EventArgs e)
        {
            if (picBox.Image != null) picBox.Image.Dispose();
 
            Bitmap bmp = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
            Graphics g = Graphics.FromImage(bmp);
            g.CopyFromScreen(0, 0, 0, 0, bmp.Size);
            g.Dispose();
            picBox.Image = bmp;
            picBox.Size = bmp.Size;
        }
 
        private void InitializeComponent()
        {
            this.panel1 = new System.Windows.Forms.Panel();
            this.btnCapture = new System.Windows.Forms.Button();
            this.picBox = new System.Windows.Forms.PictureBox();
            this.panel1.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.picBox)).BeginInit();
            this.SuspendLayout();
            //
            // panel1
            //
            this.panel1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
                        | System.Windows.Forms.AnchorStyles.Left)
                        | System.Windows.Forms.AnchorStyles.Right)));
            this.panel1.AutoScroll = true;
            this.panel1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.panel1.Controls.Add(this.picBox);
            this.panel1.Location = new System.Drawing.Point(8, 8);
            this.panel1.Name = "panel1";
            this.panel1.Size = new System.Drawing.Size(270, 233);
            this.panel1.TabIndex = 0;
            //
            // btnCapture
            //
            this.btnCapture.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
            this.btnCapture.Location = new System.Drawing.Point(169, 249);
            this.btnCapture.Name = "btnCapture";
            this.btnCapture.Size = new System.Drawing.Size(110, 30);
            this.btnCapture.TabIndex = 1;
            this.btnCapture.Text = "Capturer l'ecran";
            this.btnCapture.UseVisualStyleBackColor = true;
            this.btnCapture.Click += new System.EventHandler(this.btnCapture_Click);
            //
            // picBox
            //
            this.picBox.Location = new System.Drawing.Point(0, 0);
            this.picBox.Name = "picBox";
            this.picBox.Size = new System.Drawing.Size(100, 50);
            this.picBox.TabIndex = 0;
            this.picBox.TabStop = false;
            //
            // Form1
            //
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(290, 288);
            this.Controls.Add(this.btnCapture);
            this.Controls.Add(this.panel1);
            this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.Name = "CaptureEcran";
            this.Text = "Capturer l'ecran";
            this.panel1.ResumeLayout(false);
            ((System.ComponentModel.ISupportInitialize)(this.picBox)).EndInit();
            this.ResumeLayout(false);
 
        }
 
}