public IAsyncResult BeginReceive(TimeSpan timeout, AsyncCallback callback, object state)
{
using (MsmqDiagnostics.BoundReceiveOperation(this.receiver))
{
return(InputChannel.HelpBeginReceive(this, timeout, callback, state));
}
}
// TryReceive
public bool TryReceive(TimeSpan timeout, out Message message)
{
message = null;
if (DoneReceivingInCurrentState())
{
return(true);
}
using (MsmqDiagnostics.BoundReceiveOperation(this.receiver))
{
MsmqInputMessage msmqMessage = this.receiver.TakeMessage();
try
{
MsmqMessageProperty property;
bool retval = this.receiver.TryReceive(
msmqMessage,
timeout,
this.ReceiveParameters.ExactlyOnce ? MsmqTransactionMode.CurrentOrNone : MsmqTransactionMode.None,
out property);
if (retval)
{
if (null != property)
{
message = DecodeMsmqMessage(msmqMessage, property);
message.Properties[MsmqMessageProperty.Name] = property;
if (this.receiveParameters.ReceiveContextSettings.Enabled)
{
message.Properties[MsmqReceiveContext.Name] = this.receiveContextManager.CreateMsmqReceiveContext(msmqMessage.LookupId.Value);
}
MsmqDiagnostics.DatagramReceived(msmqMessage.MessageId, message);
this.listener.RaiseMessageReceived();
}
else if (CommunicationState.Opened == this.State)
{
this.listener.FaultListener();
this.Fault();
}
}
return(retval);
}
catch (MsmqException ex)
{
if (ex.FaultReceiver)
{
this.listener.FaultListener();
this.Fault();
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(ex.Normalized);
}
finally
{
this.receiver.ReturnMessage(msmqMessage);
}
}
}