public static void CloseProgress()
 {
     if (_form != null && !_form.IsDisposed && !_form.Disposing)
     {
         _form.Close();
         _form = null;
     }
 }
 public static void ShowLoadProgress()
 {
     if (!_showed)
     {
         _showed        = true;
         _form          = new FormLoadProgress();
         _form.Location = new Point((Screen.PrimaryScreen.WorkingArea.Width - _form.Width) / 2, (Screen.PrimaryScreen.WorkingArea.Height - _form.Height - 30));
         _form.Show();
     }
 }