disableClosedProjects();
	public void setSelection(IWorkingSet workingSet) {		Assert.isNotNull(workingSet, "Working set must not be null"); //$NON-NLS-1$		fWorkingSet= workingSet;		if (getContainer() != null && getShell() != null && fWorkingSetName != null) {			fFirstCheck= false;			fWorkingSetName.setText(fWorkingSet.getName());			initializeCheckedState();			disableClosedProjects();			validateInput();		}	}