protected override void OnKeyDown(KeyEventArgs e)
 {
     if (e.KeyCode == Keys.ShiftKey)
     {
         dragModifier |= DragModifier.Shift;
     }
     else if (e.KeyCode == Keys.ControlKey || e.KeyCode == Keys.C)
     {
         dragModifier |= DragModifier.Ctrl;
     }
     else if (e.KeyCode == Keys.Menu || e.KeyCode == Keys.A)
     {
         dragModifier |= DragModifier.Alt;
     }
     else if (e.KeyCode == Keys.Space)
     {
         FractalManager.SendBlip();
     }
     else
     {
         base.OnKeyDown(e);
     }
     //Invalidate();
 }