Using async/await with Dispatcher.BeginInvoke()

Question

I have a method with some code that does an await operation:

public async Task DoSomething()
{
    var x = await ...;
}

I need tha

Answer 1

Use Dispatcher.Invoke()

public async Task DoSomething()
{
    App.Current.Dispatcher.Invoke(async () =>
    {
        var x = await ...;
    });
}