The WPF Team at Microsoft released preliminary version 3 of their WPF Application Quality Guide.
Per the announcement:
"In light of the rapid adoption of the WPF and the continuous requests from partners and customers, the WPF team at Microsoft is happy to present the third preliminary release of the “WPF Application Quality Guide”. We plan to release the Guide in stages, updating and fine-tuning the content, based on feedback provided by you. This third release contains more examples that illustrate how to find the AutomationElement object by using UI Automation; introduction to the WPF programming stack and software testing; high level overview of test methodology, planning, and strategies; visual verification testing; media testing; verification of animations and other transitions; performance best practices resources; security testing considerations; a list of tools for creating, debugging, and testing WPF applications; and additional topics in the Appendix about resources for WPF data binding and debugging, and about WPF interoperability with Win32 and Windows Forms."
You can find the WPF Application Guide here.
WPF Tutorials: