public void widgetSelected( SelectionEvent e )
void widgetSelected( SelectionEvent e )
		public void widgetSelected( SelectionEvent e )		{			if ( e.widget.equals( btnMarkerVisible ) )			{				getMarker( ).setVisible( btnMarkerVisible.getSelection( ) );				setEnabledState( btnMarkerVisible.getSelection( ) );				cnvMarker.redraw( );			}			else if ( e.widget.equals( iscMarkerSize ) )			{				getMarker( ).setSize( iscMarkerSize.getSelection( ) );			}		}