public void Unsubscribe()
{
//Obtaining the callback channel and remove subscriber from dictionary
ServiceCallback = OperationContext.Current.GetCallbackChannel <INotifySubClient>();
subscribers.Remove(ServiceCallback);
Console.WriteLine("Unsubscribed");
}
public void Subscribe(SubClientData data)
{
//Obtaining the callback channel and add subscriber to dictionary
ServiceCallback = OperationContext.Current.GetCallbackChannel <INotifySubClient>();
subscribers.Add(ServiceCallback, data);
Console.WriteLine("Subscribed");
}