push message to blackberry device

hi

can anyone help me out with this, i need to work with c# for pushing messages (xml) to blackberry handheld. is there any easy method (like classes in c#, or some dll to refer ) so that the c# project can communicate with blackberry handheld and push message to it.

this is exactly like pushing message to some outlook using the ip and port of the pc having outlook.

please help me its urgent.

thanks in advance

re: push message to blackberry device

Im moving this to the forum.