public bool SubscribeToResultChange(int triggersolution, string pathId)
{
try
{
IChangeCallBack callbackChannel = OperationContext.Current.GetCallbackChannel <IChangeCallBack>();
if (SubscriberList.Contains(callbackChannel) == false)
{
SubscriberList.Add(callbackChannel);
}
}
catch (Exception ex)
{
throw new FaultException(ex.Message, new FaultCode("Subscription Error"));
}
return(true);
}
public bool UnSubscribeToResultChange()
{
try
{
IChangeCallBack callbackChannel = OperationContext.Current.GetCallbackChannel <IChangeCallBack>();
if (SubscriberList.Contains(callbackChannel) == true)
{
SubscriberList.Remove(callbackChannel);
}
}
catch (Exception ex)
{
throw new FaultException(ex.Message, new
FaultCode("UnSubscription Error"));
}
return(true);
}
