Provide another example of VSTHRD100 resolution

doc/analyzers/VSTHRD100.md

@@ -24,7 +24,9 @@ async Task DoSomethingAsync()
 }
 ```
 
-A code fix is offered that automatically changes the return type of the method. 
+A code fix is offered that automatically changes the return type of the method.
+
+### Event handlers
 
 For event handlers, avoid `async void` by using `RunAsync`:
 ```csharp
@@ -37,4 +39,18 @@ private async Task OnEventAsync(object sender, EventArgs e)
 }
 ```
 
+When using method group syntax as an argument, you can define the method with the required signature, without the `async` modifier, and define an anonymous delegate or lambda within the method, like this:
+
+```cs
+var menuItem = new MenuCommand(HandleEvent, commandId);
+
+private void HandleEvent(object sender, EventArgs e)
+{
+   _ = joinableTaskFactory.RunAsync(async () =>
+   {
+      // async code
+   });
+}
+```
+
 Refer to [Async/Await - Best Practices in Asynchronous Programming](https://msdn.microsoft.com/en-us/magazine/jj991977.aspx) for more info.