i want to build a IM client—with open standards access via XMPP 
i have download the argsXMPP SDK, and modify some classes which are not supported on windows phone 7
it have compiled successed,but it does not work. i finded some friends said argsXMPP have support windows phone 7 ,but i can not find the source code which is support windows Phone 
so ,i am coming here, i hope someone can help me ,but my english is very poor,i dont sure whether anyone can understand my words ,please forgive me

if some have the souce code which can work on windows phone 7 well, i wa please give me some suggestions