Callback Function

Hi,
I've a big problem, and i've not solution.
This my problem: i have 2 class A and B.
A call B, and B execute an asyncronous call. On result event i need
to call A method from B.
There's a way to set a callback function in A for B class?

I hope in your help.
Thx, Marco

--
You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group.
To post to this group, send email to google-web-toolkit@googlegroups.com.
To unsubscribe from this group, send email to google-web-toolkit+unsubscribe@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.