Overview of the Pen Application Programming Interface

This chapter presents an overview of pen-based computing, divided into two main sections. The first section broadly describes the various components that make up the Pen application programming interface (API). The second section describes how applications access the pen services to incorporate pen-based features.

The architecture of version 2.0 of the Pen API remains similar to version 1.0, but its style and design differ considerably. Even if you have worked with version 1.0, you should read this chapter to understand the shift in programming philosophy in version 2.0.

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