private void MENU_ScreenDump()
        {
            try
            {
                String _str = DateTime.Now.ToString("yyMMdd-HHmmss");
                Rectangle bounds = Screen.PrimaryScreen.Bounds;
                using (Bitmap bitmap = new Bitmap(bounds.Width, bounds.Height))
                using (Graphics g = Graphics.FromImage(bitmap))
                {
                    g.CopyFromScreen(new Point(bounds.Left, bounds.Top), Point.Empty, bounds.Size);
                    bitmap.Save("C://temp//screen-dump-" + _str + ".jpg", ImageFormat.Jpeg);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }