C# Multithreading — Invoke without a Control

Question

I am only somewhat familiar with multi-threading in that I\'ve read about it but have never used it in practice.

I have a project that uses a third party library tha

Answer 1

If you are using WPF:

You need a reference to the Dispatcher object which manages the UI thread. Then you can use the Invoke or BeginInvoke method on the dispatcher object to schedule an operation which takes place in the UI thread.

The simplest way to get the dispatcher is using Application.Current.Dispatcher. This is the dispatcher responsible for the main (and probably the only) UI thread.

Putting it all together:

class MyClass
{
    // Can be called on any thread
    public ReceiveLibraryEvent(RoutedEventArgs e)
    {
        if (Application.Current.CheckAccess())
        {
            this.ReceiveLibraryEventInternal(e);
        }
        else
        {
            Application.Current.Dispatcher.Invoke(
                new Action(this.ReceiveLibraryEventInternal));
        }
    }

    // Must be called on the UI thread
    private ReceiveLibraryEventInternal(RoutedEventArgs e)
    {
         // Handle event
    }
}