fControl= new SourceViewerInformationControl(parent);
fControl= new SourceViewerInformationControl(parent, fOrientation, SWT.NONE);
	public IInformationControl createInformationControl(Shell parent) {		fControl= new SourceViewerInformationControl(parent);		fControl.addDisposeListener(new DisposeListener() {			public void widgetDisposed(DisposeEvent e) {				fControl= null;			}		});		return fControl;	}