web service communication with wpf windows application

Jun 19, 2013 at 1:32 PM
hi everybody,

I have to implement webservice in and windows application(wpf). my requirement is mentioned bellow.

1) windows application needs to communicate with webservice.

2) Windows application needs to handled methods and display the callback messages, which are send by webservice.

Here webservice is webservice not a wcf service. How to write the webservice and how to handle the callback messages in windows application.

If delegates are usefull then could you tell me how to declare delegate in webservice and how to use.