public void Connect() { IFoodAdminCallback clientCallback = OperationContext.Current.GetCallbackChannel <IFoodAdminCallback>(); if (!admins.Exists(x => x == clientCallback)) { admins.Add(clientCallback); } }
public void Disconnect() { IFoodAdminCallback clientCallback = OperationContext.Current.GetCallbackChannel <IFoodAdminCallback>(); admins.Remove(clientCallback); }