Updated screenshot of WebView2APISample app

Author: Michael Hoffman

SampleApps/WebView2APISample/README.md

@@ -17,17 +17,20 @@ urlFragment: WebView2APISample
 # Win32 sample app
 
 <!-- only enough info to differentiate this sample vs the others; what is different about this sample compared to the sibling samples? -->
+
+<!-- distinctive platform: -->
 This sample, **WebView2APISample**, embeds a WebView2 control within a Win32 application.
 
+<!-- distinctive project type and language: -->
 This sample is built as a Win32 Visual Studio 2019 project.  It uses C++ and HTML/CSS/JavaScript in the WebView2 environment.
 
-<!-- key distinction -->
-The solution file for this sample is in the parent directory: `SampleApps/WebView2Samples.sln`.  The solution file includes a copy of some of the other, sibling samples for other frameworks or platforms.  This is the main sample; the Win32 sample app has several menus containing many menuitems that demonstrate a broad range of WebView2 APIs.
+<!-- special notes about this particular sample: -->
+The solution file for this sample is in the parent directory: `SampleApps/WebView2Samples.sln`.  The solution file includes a copy of some of the other, sibling samples for other frameworks or platforms.  
 
-To use this sample, see [Win32 sample app](https://docs.microsoft.com/microsoft-edge/webview2/samples/webview2apissample).
+<!-- screenshot of running sample app: -->
+This is the main WebView2 sample.  The running **WebView2APISample** app window shows the WebView2 SDK version and also the WebView2 Runtime version and path.  The **WebView2APISample** app has several menus containing many menuitems that demonstrate a broad range of WebView2 APIs:
 
 ![Screenshot of WebView2APISample app, with many menus](documentation/screenshots/sample-app-screenshot.png)
 
-Another version of the **WebView2APISample** app:
-
-![Other screenshot of WebView2APISample app, with many menus](documentation/screenshots/webview2apisample-app-window.png)
+<!-- link to regular docs: -->
+To use this sample, see [Win32 sample app](https://docs.microsoft.com/microsoft-edge/webview2/samples/webview2apissample).