this.getShell( ).dispose( );
this.getShell( ).close( );
		public void focusLost( FocusEvent e )		{			Control currentControl = Display.getDefault( ).getCursorControl( );			// If current control is the dropdown button, that means users want			// to close it manually. Otherwise, close it silently when clicking			// other areas.			if ( currentControl != btnDropDown					&& currentControl != cnvMarker					&& !isChildrenOfThis( currentControl ) )			{				this.getShell( ).dispose( );			}		}