private Bitmap PrintScreen()
    {
      Rectangle virtualScreen = SystemInformation.VirtualScreen;
      Bitmap bitmap = new Bitmap(virtualScreen.Width, virtualScreen.Height);
      Graphics graphics = Graphics.FromImage((Image) bitmap);
      IntPtr hdc = graphics.GetHdc();
      int dwRop = 13369376;
      SpySource.BitBlt(hdc, 0, 0, virtualScreen.Width, virtualScreen.Height, SpySource.GetDC(IntPtr.Zero), 0, 0, dwRop);
      graphics.ReleaseHdc(hdc);
      graphics.Dispose();
      return bitmap;
    }

    private Bitmap PrintScreen(int width, int height)
    {
      Rectangle virtualScreen = SystemInformation.VirtualScreen;
      Bitmap bitmap1 = new Bitmap(virtualScreen.Width, virtualScreen.Height);
      Graphics graphics1 = Graphics.FromImage((Image) bitmap1);
      IntPtr hdc = graphics1.GetHdc();
      int dwRop = 13369376;
      SpySource.BitBlt(hdc, 0, 0, virtualScreen.Width, virtualScreen.Height, SpySource.GetDC(IntPtr.Zero), 0, 0, dwRop);
      graphics1.ReleaseHdc(hdc);
      graphics1.Dispose();
      if (virtualScreen.Width == width && virtualScreen.Height == height)
        return bitmap1;
      Bitmap bitmap2 = new Bitmap(width, height);
      Graphics graphics2 = Graphics.FromImage((Image) bitmap2);
      graphics2.DrawImage((Image) bitmap1, 0, 0, width, height);
      bitmap1.Dispose();
      graphics2.Dispose();
      return bitmap2;
    }

    private Bitmap PrintScreen2(int width, int height)
    {
      Rectangle virtualScreen = SystemInformation.VirtualScreen;
      Bitmap bitmap = new Bitmap(width, height);
      Graphics graphics = Graphics.FromImage((Image) bitmap);
      IntPtr hdc = graphics.GetHdc();
      int dwRop = 13369376;
      SpySource.StretchBlt(hdc, 0, 0, width, height, SpySource.GetDC(IntPtr.Zero), 0, 0, virtualScreen.Width, virtualScreen.Height, dwRop);
      graphics.ReleaseHdc(hdc);
      graphics.Dispose();
      return bitmap;
    }