void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
try
{
var messageService = new MessageService();
messageService.Insert(new MessageInfo { Id = 1, Content = "Hello, MSMQ" });
}
catch (System.Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
}
private static void ProcessMessages()
{
TimeSpan tsTimeout = TimeSpan.FromSeconds(Convert.ToDouble(transactionTimeout * batchSize));
MessageService messageService = new MessageService();
while (true)
{
TimeSpan datetimeStarting = new TimeSpan(DateTime.Now.Ticks);
double elapsedTime = 0;
int processedItems = 0;
ArrayList queueMessages = new ArrayList();
using (TransactionScope ts = new TransactionScope(TransactionScopeOption.Required, tsTimeout))
{
for (int j = 0; j < batchSize; j++)
{
try
{
if ((elapsedTime + queueTimeout + transactionTimeout) < tsTimeout.TotalSeconds)
{
queueMessages.Add(messageService.ReceiveFromQueue(queueTimeout));
}
else
{
j = batchSize; // exit loop
}
//update elapsed time
elapsedTime = new TimeSpan(DateTime.Now.Ticks).TotalSeconds - datetimeStarting.TotalSeconds;
}
catch (TimeoutException)
{
//exit loop because no more messages are waiting
j = batchSize;
}
}
for (int k = 0; k < queueMessages.Count; k++)
{
messageService.Insert((MessageInfo)queueMessages[k]);
processedItems++;
totalMessagesProcessed++;
}
//batch complete or MSMQ receive timed out
ts.Complete();
}
Debug.WriteLine("(Thread Id " + Thread.CurrentThread.ManagedThreadId + ") batch finished, " + processedItems + " items, in " + elapsedTime.ToString() + " seconds.");
}
}
