Wrox Press VB6 Win32 API Tutorial What Does It Cover? Karl Moore
Per the book blurb, this book covers:
How to declare API calls How to avoid the common pitfalls of working with API calls File operations using API Graphics and Multimedia API calls How to find undocumented API calls Windows callbacks and finding the address of a function Subclassing and intercepting Windows messages The functionality contained with the three core Win32 DLLs An Encryption program to demonstrate many of the API calls in practice
For your information, the main chapters are headed:
API Fundamentals API Pitfalls to Avoid Kernel32 Calls User32 Calls Gdi32 Calls API Calls Outside the Win32 Callbacks and the AddressOf Operator COM Components