Books
From HashVB
Visual Basic 6
Advanced techniques
- Advanced Visual Basic 6 (Matthew Curland) - A very good book explaining numerous advanced techniques in VB6 including multi threading, sub classing, and advanced COM.
API references
- Visual Basic Programmers Guide to the Win32 API (Dan Appleman) - The authorative VisualBasic and Win32 API reference.
- Win32 API puzzle book (Dan Appleman) - A guide to interpreting Microsoft Win32 API documentation in a novel puzzle format.