menu.addItemClickHandler(new ItemClickHandler() {
public void onItemClick(ItemClickEvent event) {
MenuItem clicked = event.getItem();
if ((event.getColNum() == 1) && clicked.getAttributeAsBoolean("canDismiss")) {
menu.removeItem(clicked);
} else {
SC.say("You Selected '" + clicked.getTitle() + "'.");
}
}
});