using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Imaging;
using System.Collections.Specialized;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        private static Bitmap bmpScreenshot;
        private static Graphics gfxScreenshot;

        public Form1()
        {
            InitializeComponent();
        }

        private void btnCapture_Click(object sender, EventArgs e)
        {	
			// LuanXT
            // If the user has chosen a path where to save the screenshot
            if (saveDialog.ShowDialog() == DialogResult.OK)
            {
                // Hide the form so that it does not appear in the screenshot
                this.Hide();
                // Set the bitmap object to the size of the screen
                bmpScreenshot = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, PixelFormat.Format32bppArgb);
                // Create a graphics object from the bitmap
                gfxScreenshot = Graphics.FromImage(bmpScreenshot);
                // Take the screenshot from the upper left corner to the right bottom corner
                gfxScreenshot.CopyFromScreen(Screen.PrimaryScreen.Bounds.X, Screen.PrimaryScreen.Bounds.Y, 0, 0, Screen.PrimaryScreen.Bounds.Size, CopyPixelOperation.SourceCopy);
                // Save the screenshot to the specified path that the user has chosen
                bmpScreenshot.Save(saveDialog.FileName, ImageFormat.Png);
                // Show the form again
                this.Show();
                Clipboard.SetImage(bmpScreenshot);

                // Text to Clipboard
                Clipboard.SetText("Luân Nguyễn", TextDataFormat.UnicodeText);

                // File to Clipboard
                StringCollection paths = new StringCollection();
                paths.Add("d:\\DotNetBaiTap04.rar");
                paths.Add("c:\\CS4.rar");               
                Clipboard.SetFileDropList(paths);

            }

        }
		
		
		//Resize Bitmap
		public Bitmap ResizeBitmap( Bitmap b, int nWidth, int nHeight )
			{
			  Bitmap result = new Bitmap( nWidth, nHeight );
			  using( Graphics g = Graphics.FromImage( (Image) result ) )
				g.DrawImage( b, 0, 0, nWidth, nHeight );
			  return result;
			}
    }
}