Bug 261037 bindWidget calls
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/workbench/ui/renderers/swt/StackModelFactory.java
sm.setActiveChild(newPart);
			}
		});
		((EObject) me).eAdapters().add(new AdapterImpl() {
			@Override
			public void notifyChanged(Notification msg) {
				if (ApplicationPackage.Literals.PART__ACTIVE_CHILD.equals(msg
						.getFeature())) {
					Stack sm = (Stack) msg.getNotifier();
					Part<?> selPart = sm.getActiveChild();
					CTabFolder ctf = (CTabFolder) ((Stack) msg.getNotifier())
							.getWidget();
					CTabItem item = findItemForPart(sm, selPart);
					if (item != null) {
						
						
						
						
						Control ctrl = item.getControl();
						if (ctrl == null) {
							renderer.createGui(selPart);
						}
						ctf.setSelection(item);
					}
				}
			}
		});
	}
}