Bug 279452 [Compatibility] Parameterized command mechanism support
Parameterized commands like showView need to be able to access their parameters (like the view ID) PW
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/workbench/ui/renderers/swt/HandledContributionItem.java
.get(IResourceUtiltities.class.getName());
				ImageDescriptor icon = resUtils.imageDescriptorFromURI(URI
						.createURI(iconURI));
				try {
					item.setImage(icon == null ? null : m.createImage(icon));
				} catch (DeviceResourceException e) {
					icon = ImageDescriptor.getMissingImageDescriptor();
					item.setImage(m.createImage(icon));
					
					Activator.trace(Policy.DEBUG_MENUS,
							"failed to create image " + iconURI, e); 
				}
				disposeOldImages();
				localResourceManager = m;
			}
		}
	}
	private void disposeOldImages() {
		if (localResourceManager != null) {
			localResourceManager.dispose();
			localResourceManager = null;
		}
	}
	private Listener getItemListener() {
		if (menuItemListener == null) {
			menuItemListener = new Listener() {
				public void handleEvent(Event event) {
					switch (event.type) {
					case SWT.Dispose:
						handleWidgetDispose(event);