public void Unsubscribe() { IReportSuccessOrError callback = OperationContext.Current.GetCallbackChannel <IReportSuccessOrError>(); if (subscribers.Contains(callback)) { subscribers.Remove(callback); } }
public void Subscribe() { IReportSuccessOrError callback = OperationContext.Current.GetCallbackChannel <IReportSuccessOrError>(); if (!subscribers.Contains(callback)) { subscribers.Add(callback); } // }