These volumes provide a comprehensive reference to all API functions, messages, and structures.

These volumes provide a comprehensive explanation of the architecture of all the layers and elements of the PenPoint operating system and describe how to write

The official guide to creating pen-based applications has been updated and expanded to include PenPoint 2.0. This new release of the operating system has been i

Due to be released in early 1991, PenPoint will be the heart of a new class of mobile computers operated by a pen instead of a keyboard or mouse. This book prov