Pen API Functions

The Pen Application Programming Interface (API) provides functions that can be divided into 10 broad categories. The following table describes the 10 categories. Other tables list the functions within each category.

Function category	Description
System and hardware	Provide information about pen hardware and current system assumptions.
Display	Display ink data, get screen information.
Pen data	Collect, copy, move, and delete data in an HPENDATA object.
Recognition	Recognize handwritten characters.
Symbol manipulation	Collect and convert symbols returned from a recognizer.
Time intervals	Manipulate time intervals associated with pen strokes.
Compression	Reduce the size of an HPENDATA object.
Utility	Miscellaneous utility services provided by the system.
Hook	Program hooks to monitor inking or recognition.
Obsolete	Obsolete functions of version 1.0 maintained by version 2.0 only for compatibility reasons.

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