如何关闭 NamedPipeClientStream？

Question

I can't close my WPF application because the NamedPipeClientStream endlessly runs. I tried using ConnectAsync , I tried disposing it, but no matter what it prevents the process from ending.

I use the pipe to listen for messages so it needs to run until the application quits.

This is my current attempt:

public MainWindow()
{
    namedPipeClient = new(System.Configuration.ConfigurationManager.AppSettings["AppGUID"]!);
    Thread PipeThread = new(() =>
    {
        while (true)
        {
            try
            {
                PipeReceive();
            }
            catch (TimeoutException) { }
            catch (ObjectDisposedException) { break; }
        }
    });
    PipeThread.Start();
}

// Called when window is closed
protected override void OnClosed(EventArgs e)
{
    namedPipeClient.Close();
    namedPipeClient.Dispose();

    base.OnClosed(e);
}


private void PipeReceive()
{
    namedPipeClient.Connect(1000);
    if (namedPipeClient.IsConnected)
    {
        // Retrieve message
    }
}

Answer 1

The issue didn't have anything to do with named pipes. I was under the impression it did because in Visual Studio's "Running Tasks" it showed a reference to the named pipe methods and listed them as active.

The real issue was the I had changed the application ShutdownMode to OnExplicitShutdown so even after the main window was closed the application would remain running unless the Shutdown() method is called. My fix was to override the OnClosed event.

protected override void OnClosed(EventArgs e)
{
    base.OnClosed(e);

    System.Windows.Application.Current.Shutdown();
}