Bug 340465 Remove CTabFolder/CTabItem references from the TrimStack
bundles/org.eclipse.e4.ui.workbench.addons.swt/src/org/eclipse/e4/ui/workbench/addons/minmax/TrimStack.java
minimizedElement.getTags().remove(MinMaxAddon.MINIMIZED);
		toolControl.setToBeRendered(false);
		if (hostPane != null && !hostPane.isDisposed())
			hostPane.dispose();
		hostPane = null;
	}
	/**
	 * Create the popup menu that will appear when a minimized part has been selected by the cursor.
	 */
	private void createPopupMenu() {
		trimStackMenu = new Menu(trimStackTB);
		trimStackTB.setMenu(trimStackMenu);
		MenuItem closeItem = new MenuItem(trimStackMenu, SWT.NONE);
		closeItem.setText(WorkbenchMessages.WorkbenchWindow_close);
		closeItem.addListener(SWT.Selection, new Listener() {
			public void handleEvent(Event event) {
				MUIElement element = (MUIElement) selectedTabItem
						.getData(AbstractPartRenderer.OWNING_ME);
				if (element instanceof MPlaceholder) {
					element = ((MPlaceholder) element).getRef();
				}
				partService.hidePart((MPart) element);
			}
		});
	}
	@Execute
	public void showStack(@Named("show") boolean show) {
		Control ctf = (Control) minimizedElement.getWidget();
		Composite clientArea = getShellClientComposite();
		if (clientArea == null)