Bug 286678 UI model and propagation of context values: containers with variables
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/workbench/ui/internal/Workbench.java
public void createGUI(MPart part) {
		if (renderer == null) {
			renderer = new PartRenderingEngine(contributionFactory, workbenchContext);
			initializeRenderer(registry, renderer, workbenchContext, contributionFactory);
		}
		renderer.createGui(part);
		if (part instanceof MWindow) {
			MWindow wbw = (MWindow) part;
			Object appWindow = wbw.getWidget();
			rv = 0;
			
			
			
			
			
			
			
			windowHandler.setBounds(appWindow, wbw.getX(), wbw.getY(), wbw.getWidth(), wbw
					.getHeight());
			windowHandler.layout(appWindow);
			windowHandler.open(appWindow);
			processHandlers(wbw);
		}
	}
	public void close() {
		final EList<? extends MWindow> windows = workbench.getWindows();
		for (MWindow window : windows) {
			windowHandler.dispose(window.getWidget());
		}
	}