public IAsyncResult BeginSubscribe(AsyncCallback cb, object state)
{
callback = OperationContext.Current.GetCallbackChannel <IPollingSessionCallback>();
((IChannel)callback).Closed += SampleService_Closed;
priceChangeHandler = new PriceChangeEventHandler(PriceChangeHandler);
PriceChangeEvent += priceChangeHandler;
return(new CompletedAsyncResult());
}
public void Subscribe()
{
callback = OperationContext.Current.GetCallbackChannel <IPollingSessionCallback>();
((IChannel)callback).Closed += SampleService_Closed;
((IChannel)callback).Faulted += SampleService_Faulted;
priceChangeHandler = new PriceChangeEventHandler(PriceChangeHandler);
PriceChangeEvent += priceChangeHandler;
//Console.WriteLine("Subscribe. Client count: " + cc.ToString());
}
public Task SubscribeAsync()
{
Task task = new Task(() =>
{
callback = OperationContext.Current.GetCallbackChannel <IPollingSessionCallback>();
((IChannel)callback).Closed += SampleService_Closed;
priceChangeHandler = new PriceChangeEventHandler(PriceChangeHandler);
PriceChangeEvent += priceChangeHandler;
});
task.RunSynchronously();
return(task);
}
//Clients call this service operation to subscribe.
//A price change event handler is registered for this client instance.
//public void Subscribe()
public bool Subscribe(string userName, string password)
{
if (userName == "umerazizmalik" && password == "abdulaziz")
{
callback = OperationContext.Current.GetCallbackChannel <ISampleClientContract>();
priceChangeHandler = new PriceChangeEventHandler(PriceChangeHandler);
PriceChangeEvent += priceChangeHandler;
return(true);
}
else
{
return(false);
}
}
//Clients call this service operation to subscribe.
//A price change event handler is registered for this client instance.
public void Subscribe()
{
callback = OperationContext.Current.GetCallbackChannel<ISampleClientContract>();
priceChangeHandler = new PriceChangeEventHandler(PriceChangeHandler);
PriceChangeEvent += priceChangeHandler;
}
//Clients call this service operation to subscribe.
//A price change event handler is registered for this client instance.
public void Subscribe()
{
callback = OperationContext.Current.GetCallbackChannel <ISampleClientContract>();
priceChangeHandler = new PriceChangeEventHandler(PriceChangeHandler);
PriceChangeEvent += priceChangeHandler;
}
