What’s the difference between InvokeAsync and BeginInvoke for WPF Dispatcher

by

The exception handling is different.

You may want to check the following:

private async void OnClick(object sender, RoutedEventArgs e)
{
    Dispatcher.UnhandledException += OnUnhandledException;
    try
    {
        await Dispatcher.BeginInvoke((Action)(Throw));
    }
    catch
    {
        // The exception is not handled here but in the unhandled exception handler.
        MessageBox.Show("Catched BeginInvoke.");
    }

    try
    {
       await Dispatcher.InvokeAsync((Action)Throw);
    }
    catch
    {
        MessageBox.Show("Catched InvokeAsync.");
    }
}

private void OnUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
{
    MessageBox.Show("Catched UnhandledException");
}

private void Throw()
{
    throw new Exception();
}

More Related Contents:

  1. What is the purpose of “return await” in C#?
  2. Is it possible to await an event instead of another async method?
  3. Async/await vs BackgroundWorker
  4. Awaiting multiple Tasks with different results
  5. What’s the difference between Task.Start/Wait and Async/Await?
  6. Why File.ReadAllLinesAsync() blocks the UI thread?
  7. Using ‘async’ in a console application in C# [duplicate]
  8. Do you have to put Task.Run in a method to make it async?
  9. Awaiting Asynchronous function inside FormClosing Event
  10. awaitable Task based queue
  11. Brief explanation of Async/Await in .Net 4.5
  12. Await operator can only be used within an Async method [duplicate]
  13. Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
  14. How to ‘await’ raising an EventHandler event
  15. Task.Yield – real usages?
  16. HttpClient.GetAsync with network credentials
  17. Using async / await with DataReader ? ( without middle buffers!)
  18. How would I run an async Task method synchronously?
  19. Watermark / hint / placeholder text in TextBox?
  20. Load a WPF BitmapImage from a System.Drawing.Bitmap
  21. How can you clone a WPF object?
  22. ReSharper WPF error: “Cannot resolve symbol “MyVariable” due to unknown DataContext”
  23. What is the use for Task.FromResult in C#
  24. Different forms of the WCF service contract interface
  25. Use “real” CultureInfo.CurrentCulture in WPF Binding, not CultureInfo from IetfLanguageTag
  26. Serialization breaks in .NET 4.5
  27. Simple way to display row numbers on WPF DataGrid
  28. Setting Button FlatStyle in WPF
  29. Creating a custom-shaped button with one rounded corner
  30. Binding to custom control inside DataTemplate for ItemsControl

Leave a Comment