Bug 94959 Doubli-clicking on 'workspace matches' separator in Open Type dialog closes it
N20050512-0010 Since the separator is not a valid selection, the dialog should stay open
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/dialogs/TypeSelectionDialog2.java
private boolean fMultipleSelection;
	private IRunnableContext fRunnableContext;
	private IJavaSearchScope fScope;
	private int fElementKind;
	
	private String fInitialFilter;
	private int fSelectionMode;
	private ISelectionStatusValidator fValidator;
	private TypeSelectionComponent fContent;
	
	public static final int NONE= TypeSelectionComponent.NONE;
	public static final int CARET_BEGINNING= TypeSelectionComponent.CARET_BEGINNING;
	public static final int FULL_SELECTION= TypeSelectionComponent.FULL_SELECTION;
	
	private static boolean fgFirstTime= true; 
	
	public TypeSelectionDialog2(Shell parent, boolean multi, IRunnableContext context, IJavaSearchScope scope, int elementKinds) {
		super(parent);
		setShellStyle(getShellStyle() | SWT.RESIZE);
		fMultipleSelection= multi;
		fRunnableContext= context;
		fScope= scope;
		fElementKind= elementKinds;
		fSelectionMode= NONE;
	}