Class<?> type = org.eclipse.swt.browser.Browser.class;
IMetaclass browserMetaclass = (IMetaclass) registerMetaclass(type);
browserMetaclass.addProperty(new DynamicProperty(type, String.class,
PropertiesConstants.PROPERTY_URL));
IMetaclass buttonMetaclass = (IMetaclass) registerMetaclass(Button.class);
buttonMetaclass.addProperty(new DataProperty(IConstants.XAML_COMMAND,
IUserDataConstants.XWT_COMMAND_KEY, ICommand.class));
registerMetaclass(org.eclipse.swt.widgets.Canvas.class);
registerMetaclass(org.eclipse.swt.widgets.Caret.class);
registerMetaclass(org.eclipse.swt.widgets.Combo.class);