Microsoft Windows API Reference
- Microsoft's knowledge base.
- http://msdn2.microsoft.com/en-us/library/aa383750.aspx

Dutch's Software
- Code samples and examples of advanced API through subclassing and shell API.
- http://www.dutchthewiz.com/vb/api/

Ex-designz Win32 API Reference Library
- Categorized reference library of many different API functions with examples.
- http://www.ex-designz.net/api.asp

VBnet Developers Resource Centre
- Win32 API code for Visual Basic developers. Reference, code samples, FAQ.
- http://vbnet.mvps.org/

Accessing the WinAPI
- Provides a basic, step-by-step guide for using and understanding API.
- http://www.devarticles.com/c/a/Visual-Basic/Accessing-the-Windows-API-in-Visual-Basic/

vbAccelerater
- Devoted to providing advanced tips and techniques, covering the Win32 API, graphics, DirectX and ActiveX programming.
- http://www.vbaccelerator.com/home/

TheScarms Visual Basic Code Library
- Examples showing how to use Win32 APIs.
- http://www.thescarms.com/vbasic/

VB Vision
- Win32 code samples, tips, tricks for the VB developer.
- http://www.mvps.org/vbvision/

VB Programmers Guide to Win32 Api
- Book by Daniel Appleman.
- http://www.desaware.com/VBPGWin32APIL2.htm

VBForums
- Forum for WinAPI relate topics in Visual Basic. Ask or answer questions posted by members. Membership required to post.
- http://www.vbforums.com/forumdisplay.php?s=&forumid=8