public bool KitchenUnsubscribe()
{
try
{
IKitchenStationCallback callback = OperationContext.Current.GetCallbackChannel <IKitchenStationCallback>();
if (KitchenSubscribers.Contains(callback))
{
KitchenSubscribers.Remove(callback);
}
return(true);
}
catch
{
return(false);
}
}
public bool KitchenSubscribe()//KS subscription by Station
{
try
{
IKitchenStationCallback callback = OperationContext.Current.GetCallbackChannel <IKitchenStationCallback>();
if (!KitchenSubscribers.Contains(callback))
{
KitchenSubscribers.Add(callback);
}
return(true);
}
catch
{
return(false);
}
}
