/// <summary> /// unsubscribes the user to the Portal callback /// </summary> public void UnSubscribePortal() { try { IPortalChatback call = OperationContext.Current.GetCallbackChannel <IPortalChatback>(); if (portalCallbacks.Contains(call)) { portalCallbacks.Remove(call); } } catch { } }
/// <summary> /// subscribes the user to the Portal callback /// </summary> public void SubscribePortal() { IPortalChatback call = OperationContext.Current.GetCallbackChannel <IPortalChatback>(); portalCallbacks.Add(call); }