Bug 114496 [working sets] working sets: counter-intuitive hiding of resource sets
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/workingsets/WorkingSetConfigurationDialog.java
setShellStyle(getShellStyle() | SWT.RESIZE);
	}
	/**
	 * Returns the selected working sets
	 * 
	 * @return the selected working sets
	 */
	public IWorkingSet[] getSelection() {
		return fResult;
	}
	/**
	 * Sets the initial selection
	 * 
	 * @param workingSets the initial selection
	 */
	public void setSelection(IWorkingSet[] workingSets) {
		fResult= workingSets;
		setInitialSelections(workingSets);
	}
	
	/**
	 * {@inheritDoc}
	 */
	protected Control createContents(Composite parent) {
		Control control= super.createContents(parent);
		setInitialSelection();
		updateButtonAvailability();
		return control;
	}