public int Unregister(string userName)
{
// Unsubscribe the user from the conversation.
ICacheServiceCallback registeredUser = OperationContext.Current.GetCallbackChannel <ICacheServiceCallback>();
if (_callbackList.Contains(registeredUser))
{
_callbackList.Remove(registeredUser);
_registeredUsers--;
}
return(_registeredUsers);
}
public int Register(string userName)
{
// Subscribe the user to the conversation
ICacheServiceCallback registeredUser = OperationContext.Current.GetCallbackChannel <ICacheServiceCallback>();
if (!_callbackList.Contains(registeredUser))
{
_callbackList.Add(registeredUser);
}
return(_registeredUsers);
}
