// Handles both normal and large message send operations
private void SendGeneric(bool useLargeMessageSample)
{
progressBarReceive.Visibility = Visibility.Hidden;
Utilities.StartProgressBar(progressBarSend);
try
{
MessageQueueTransaction transaction = new MessageQueueTransaction();
transaction.Begin();
IMessageFormatter formatter = new BinaryMessageFormatter();
Message message = new Message();
FileInfo fileInfo = new FileInfo(textFileName.Text);
FileStream fStream = fileInfo.OpenRead();
byte[] b = new byte[fStream.Length];
fStream.Read(b, 0, b.Length);
MemoryStream mStream = new MemoryStream(b, 0, b.Length, false);
message.Label = fileInfo.Name;
message.Formatter = formatter;
message.UseDeadLetterQueue = true;
message.Body = mStream;
int fragmentSize = 0;
if (textFragmentSize.Text.Length != 0)
{
fragmentSize = Int32.Parse(textFragmentSize.Text, CultureInfo.InvariantCulture);
}
if (useLargeMessageSample)
{
LargeMessageQueue largeMessageQueue = new LargeMessageQueue(this.queue, fragmentSize);
largeMessageQueue.Send(message, transaction);
}
else
{
this.queue.Send(message, transaction);
}
transaction.Commit();
Utilities.StopProgressBar(progressBarSend);
this.SetQueueViewerStatus();
MessageBox.Show("Send successful!", "Success!");
}
catch (Exception ex)
{
Utilities.ErrorProgressBar(progressBarSend);
this.SetQueueViewerStatus();
MessageBox.Show("Send Error: " + ex.Message, "Error!");
}
}
// Handles both lossy and non-lossy large message receive operations
private void ReceiveGeneric(bool isLossy)
{
progressBarSend.Visibility = Visibility.Hidden;
Utilities.StartProgressBar(progressBarReceive);
try
{
MessageQueueTransaction transaction = new MessageQueueTransaction();
transaction.Begin();
if (isLossy)
{
this.queue.Receive(new TimeSpan(0, 0, 10));
}
LargeMessageQueue largeMessageQueue = new LargeMessageQueue(this.queue, 0);
System.Messaging.Message message = largeMessageQueue.Receive(new TimeSpan(0, 0, 10), transaction);
// Redundant. Will never execute these for lossy receive
message.Formatter = new BinaryMessageFormatter();
MemoryStream mStream = (MemoryStream)message.Body;
string newLabel = "Received - " + message.Label;
FileStream fStream = new FileStream(newLabel, FileMode.Create, FileAccess.ReadWrite);
mStream.WriteTo(fStream);
mStream.Close();
fStream.Close();
transaction.Commit();
this.LoadImageFile(imageReceiveFile, newLabel);
imageReceiveFile.Visibility = Visibility.Visible;
Utilities.StopProgressBar(progressBarReceive);
this.SetQueueViewerStatus();
MessageBox.Show("Receive successful!", "Success!");
}
catch (LargeMessageQueueException lmqe)
{
Utilities.ErrorProgressBar(progressBarReceive);
imageReceiveFile.Visibility = Visibility.Hidden;
this.SetQueueViewerStatus();
MessageBox.Show("Receive Error: " + lmqe.Message + "\n Large Sequence Id:" + lmqe.CorrelationId, "Error!");
}
catch (Exception ex)
{
Utilities.ErrorProgressBar(progressBarReceive);
imageReceiveFile.Visibility = Visibility.Hidden;
this.SetQueueViewerStatus();
MessageBox.Show("Receive Error: " + ex.Message, "Error!");
}
}
