< Home < Developers < Development Support < Documentation

## 43 Pen Manager

Table of Contents | < Previous | Next > | Index

| Title - Palm OS® Programmer's API Reference Part II: System Management 43 Pen Manager Pen Manager Functions PenCalibrate PenResetCalibration |  |  |  | This chapter provides reference material for the pen manager. The pen manager API is declared in the header file PenMgr.h. For more information on the pen manager, see the section "Receiving User Input" in the Palm OS Programmer's Companion, vol. I. ## Pen Manager Functions ## PenCalibrate #### Purpose Set the calibration of the pen. #### Prototype Err PenCalibrate (PointType* digTopLeftP, PointType* digBotRightP, PointType* scrTopLeftP, PointType* scrBotRightP) #### Parameters #####
digTopLeftP | Digitizer output from top-left coordinate.
#####
digBotRightP | Digitizer output from bottom-right coordinate.
#####
scrTopLeftP | Screen coordinate near top-left corner.
#####
scrBotRightP | Screen coordinate near bottom-right corner.
#### Result Returns 0 if no error. #### Comments Called by Preferences application when calibrating pen. #### See Also PenResetCalibration ## PenResetCalibration #### Purpose Reset the calibration in preparation for calibrating the pen again. #### Prototype Err PenResetCalibration (void) #### Parameters None. #### Result Always returns 0. #### Comments Called by Preferences application before capturing points when calibrating the pen. #### See Also PenCalibrate WARNING! The digitizer is off after calling this routine and must be calibrated again! |