How to write MessageBox in vaadin 7 ?

General
1

Hi All
Iam basic idea about vaadin.please let me know how to write messagebox in vaadin7.

2

You may get the solution here
https://vaadin.com/forum/#!/thread/2644829

3

Hi

https://vaadin.com/forum/#!/thread/2644829 This code is not working in vaadin7.it will shows errors. but vaadin 6 is working properly.please send me the vaadin7 MessageBox code.