protected final void sendElement() {
		if (connection == null) return;
		try {
			connection.sendMessage(getElement());
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
protected final void sendElement ( ) { if ( connection == null ) return ; try { connection . sendMessage ( getElement ( ) ) ; } catch ( IOException e ) { e . printStackTrace ( ) ; } }
Used to indicate that this instance of widget requires sending an update
To client side. Calling this method will trigger {@link #getData()} method.