This book investigates the technical architecture and functional implementation of the Presentation Manager windowing interface for OS/2. Alan Southerton, an experienced technical author, provides a structured examination of the API and system calls required to build graphical applications. The text serves as a comprehensive manual for developers seeking to integrate their software with the windowing environment, focusing on the logical requirements for effective interface design.

Experts identify this work as a foundational resource for legacy systems programming during the early development of graphical user interfaces. Readers frequently note the technical density of the prose, which is tailored specifically for professional software engineers working within the Presentation Manager framework.