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The following topics cover the differences between 32-bit and 16-bit code in detail and discuss the adaptations you need to make to your 16-bit code.
Overview of 32-Bit Programming
Porting Applications
Revising the Window Procedure Declaration
Removing Near and Far Type Declarations
Using Proper Data Types
Handling 32-Bit Messages
Extracting Data from Messages with Portable Code
Adjusting Calls to API Functions
Revising the WinMain Function
Special Considerations for Advanced Applications