using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
namespace DesktopScreenshot_Realisieren
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
internal System.Windows.Forms.PictureBox pictureBox1;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null;
private const int SRCCOPY = 0xCC020;
[DllImport("gdi32.dll")]
private static extern int BitBlt(IntPtr hDestDC,int x,int y,int nWidth,
int nHeight,IntPtr hSrcDC,int xSrc,int ySrc,int dwRop);
[DllImport("user32.dll")]
private static extern IntPtr GetDC(int hwnd);
[DllImport("user32.dll")]
private static extern int ReleaseDC(int hwnd,IntPtr hdc);
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.pictureBox1 = new System.Windows.Forms.PictureBox();
this.SuspendLayout();
//
// button1
//
this.button1.Location = new System.Drawing.Point(16, 16);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(168, 40);
this.button1.TabIndex = 0;
this.button1.Text = "Speichern";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(16, 56);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(168, 40);
this.button2.TabIndex = 1;
this.button2.Text = "Show";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(16, 400);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(168, 40);
this.button3.TabIndex = 2;
this.button3.Text = "Quit";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// pictureBox1
//
this.pictureBox1.BackColor = System.Drawing.SystemColors.ActiveCaptionText;
this.pictureBox1.Location = new System.Drawing.Point(200, 16);
this.pictureBox1.Name = "pictureBox1";
this.pictureBox1.Size = new System.Drawing.Size(464, 424);
this.pictureBox1.TabIndex = 3;
this.pictureBox1.TabStop = false;
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(688, 454);
this.Controls.Add(this.pictureBox1);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void button1_Click(object sender, System.EventArgs e)
{
Graphics g1;
IntPtr dc1,dc2;
Image img;
img = new Bitmap(Screen.PrimaryScreen.WorkingArea.Width, Screen.PrimaryScreen.WorkingArea.Height);
g1 = Graphics.FromImage(img);
dc1=GetDC(0);
dc2=g1.GetHdc();
BitBlt(dc2,0,0,Screen.PrimaryScreen.WorkingArea.Width, Screen.PrimaryScreen.WorkingArea.Height,dc1,0,0,SRCCOPY);
ReleaseDC(0,dc1);
g1.ReleaseHdc(dc1);
img.Save("c:\\Form1.png",System.Drawing.Imaging.ImageFormat.Png);
MessageBox.Show("Desktop-Screenshot gespeichert","info");
}
private void button2_Click(object sender, System.EventArgs e)
{
Graphics g1;
IntPtr dc1, dc2;
this.Visible = false;
Image img = new Bitmap(Screen.PrimaryScreen.WorkingArea.Width, Screen.PrimaryScreen.WorkingArea.Height);
g1 = Graphics.FromImage(img);
dc1 = GetDC(0);
dc2 = g1.GetHdc();
BitBlt(dc2, 0, 0, Screen.PrimaryScreen.WorkingArea.Width, Screen.PrimaryScreen.WorkingArea.Height, dc1, 0, 0, SRCCOPY);
ReleaseDC(0, dc1);
g1.ReleaseHdc(dc1);
pictureBox1.Image = img;
this.Visible = true;
}
private void button3_Click(object sender, System.EventArgs e)
{
this.Close();
}
}
}
