public String UnsubscribeFromStatusUpdates()
{
if (callback != null)
{
callback = null;
monitor.MessageReceived -= new EventHandler <MessageEventArgs>(monitor_MessageReceived);
}
return("Unsubscribe from Service Notices was successful");
}
public String SubscribeToStatusUpdates()
{
if (!AllowObservation && !Authenticated)
{
return("You must be Authenticated to perform this task");
}
if (callback == null)
{
callback = OperationContext.Current.GetCallbackChannel <IAnhCallback>();
}
if (callback != null)
{
monitor.MessageReceived += new EventHandler <MessageEventArgs>(monitor_MessageReceived);
return("Subscribe to Service Notices was successful");
}
else
{
return("Failed to subscribe");
}
}
