fWrappedViewer.getControl().setFocus();
	private void switchViewer(int state) {		//Indicate which viewer is to be used		if (fCurrViewState == state)			return;		else {			fCurrViewState= state;			IPreferenceStore store= JavaPlugin.getDefault().getPreferenceStore();			store.setValue(getViewSite().getId() + TAG_VIEW_STATE, state);		}		//get the information from the existing viewer		StructuredViewer viewer= fWrappedViewer.getViewer();		Object object= viewer.getInput();		ISelection selection= viewer.getSelection();		// create and set up the new viewer		Control control= createViewer(fWrappedViewer.getControl().getParent()).getControl();		setUpViewer(fWrappedViewer);		createSelectAllAction();		// add the selection information from old viewer		fWrappedViewer.setViewerInput(object);		fWrappedViewer.setSelection(selection, true);		// dispose old viewer		viewer.getContentProvider().dispose();		viewer.getControl().dispose();		// layout the new viewer		if (control != null && !control.isDisposed()) {			control.setVisible(true);			control.getParent().layout(true);		}	}