getWizard( ).detachPopup( popupShell );
getWizard( ).detachPopup( );
	protected boolean detachPopup( Widget widget )	{		if ( widget instanceof Button				&& popupShell != null && !popupShell.isDisposed( )				&& !isButtonSelected( ) )		{			getWizard( ).detachPopup( popupShell );			popupShell = null;			// Clear selection if user unselected the button.			setCurrentPopupSelection( null );			getParentTask( ).setPopupSelection( null );			return true;		}		return false;	}