XAML Spy API and Roslyn REPL

XAML Spy 3 includes the XAML Spy API, a library for querying and automating apps. The XAML Spy API works great with interactive REPLs such as the Roslyn powered REPL available in Visual Studio 2015 Update 1. With just a few lines of code you get access to a wealth of information of any connected app.

The following animation demonstrates the power of XAML Spy API in an interactive environment. 

XAML Spy API in a REPL

The following features of the XAML Spy API are demonstrated;

  • Explore and search visuals in the visual tree
  • Use XPath expressions to select visuals
  • The rich type system
  • Reading and writing object member values
  • Invoke methods on remote objects using automation patterns

The above animation demonstrates the XAML Spy API using a connected Windows 10 UWP app. The API works equally well for other supported platforms, such as Android and iOS.

Try this at home

Want to give the XAML Spy API a spin? Make sure you have XAML Spy 3 installed, and for working with the Roslyn powered REPL, you need Visual Studio 2015 Update 1. The REPL is availabe via View > Other Windows > C# Interactive.

Bootstrap the XAML Spy API by loading the XamlSpy.csx script in the REPL (located at [XamlSpyInstallFolder]\Scripts\XamlSpy.csx). The main entrypoint for the XAML Spy is the variable client of type ClientService

Note: in XAML Spy 3 Preview 1, the main entrypoint variable is named spy, not client

Comments, questions? Contact us.



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