help with a simple project

dear all, i m a newcomer in vb.net.i m trying to modify a chat program. i m tryng to modify it so that it display a form call form3 on the occuring of a [login to view URL] is handled by a function in form2 which is Private Sub crgm(ByVal data As String) Handles [login to view URL] [login to view URL]() but when the user sends the message the applicaion hangs on [login to view URL] tell me why so happening?after some searching i fount tht this problem is relatd with threads and i can overcome it by using delgates can anybody help me with this?thanks for ur help in advance. regards,