PPENPACKET

typedef struct {
  WORD wTabletX;
  WORD wTabletY;
  WORD wPDK;
  WORD rgwOemData[MAXOEMDATAWORDS];
} PPENPACKET;
 

This version of the pen-packet format is from version 1.0 of the Pen API. It should not be used in drivers compliant with version 2.0 of the Pen API.

wTabletX
The x-location of the tip of the pen after converting into increments of 0.001 inch.
wTabletY
The y-location of the tip of the pen after converting into increments of 0.001 inch.
wPDK
The state of the pen. (See the PDK_ flag values defined in the PENWIN.H header file.)
rgwOemData[MAXOEMDATAWORDS]
The extra OEM-specific data.