public static Bitmap CaptureApplication(string procName)
{
var proc = Process.GetProcessesByName(procName)[0];
var rect = new UserRect();
GetWindowRect(proc.MainWindowHandle, ref rect);
int width = rect.Right - rect.Left;
int height = rect.Bottom - rect.Top;
Bitmap bmp = new Bitmap(width, height, PixelFormat.Format32bppArgb);
Graphics graphics = Graphics.FromImage(bmp);
graphics.CopyFromScreen(rect.Left, rect.Top, 0, 0, new Size(width, height), CopyPixelOperation.SourceCopy);
return(bmp);
}
public UserRect(UserRect Rectangle) : this(Rectangle.Left, Rectangle.Top, Rectangle.Right, Rectangle.Bottom)
{
}
public static extern IntPtr GetWindowRect(IntPtr hWnd, ref UserRect rect);
public bool Equals(UserRect Rectangle)
{
return(Rectangle.Left == _Left && Rectangle.Top == _Top && Rectangle.Right == _Right && Rectangle.Bottom == _Bottom);
}