A Cross Dll's Registration

Question

I have 2 Dlls that i want them one of them to Send a ref Object from the First One to Do Some Operations on it but I have a Problem I can't Add Refrence for each of them forexample I Have this Function in the First Dll public int Moussa(ref Client Client,string Message) { Client.Name = "Client Name"; return 1; } and I want to Do this in the Second Dll (DllName1).Moussa.Moussa M = new Moussa.Moussa(); M.Moussa(ref Client,"Welcome to my test"); I hope that you can Help me in this (I can Do it by using Client Server Model and Send Xml Messages to do the Process But I'll leave it as a final Hope) Yours Always Mahmoud Moussa Jenior Developer Egyptnetwork