Hi…
Ok i have seen this example
But It is client to server call back and It doesn t solve my problem… I Need to have if possibile to have server to client call back… I Need to know if client have received server request… How Can i do?
Hi…
Ok i have seen this example
But It is client to server call back and It doesn t solve my problem… I Need to have if possibile to have server to client call back… I Need to know if client have received server request… How Can i do?