Yahoo .Net Development Center

"Welcome to the .NET Developer Center

This site is your source for information about using the .NET Framework with Yahoo! Web Services and APIs. Here you'll find:

• HOWTO Articles to help you understand our technologies and how you can use them better with .NET.
• Download the sample browser, utility libraries and source code.
• Other Resources on the web where you can find source code and helpful tools.
• Community Resources where you can join our mailing list and discuss the Yahoo! APIs with us and with other .NET developers.

HOWTO Articles

Get comfortable using .NET with Yahoo! Web Services

• HOWTO: Make Yahoo! Web Service REST calls with C# and VB.NET
• HOWTO: Using Returned XML with C# and VB.NET
• HOWTO: Cache API Calls Using C# and VB.NET
• HOWTO: Access Yahoo! Web Services Using XAML
• HOWTO: Browser-Based Authentication Using C# and VB.NET

..."

Wow, even VB.Net samples...  ;)

(via SQL Server Code,Tips and Tricks, Performance Tuning  - Yahoo Launches .NET Developer Center, Windows Vista RC2 Available For Download)