crsrXValid
#include <Quickdraw.h>
typedef struct CCrsr { Size Offset Description short crsrType; 2 0 Old or new cursor
Handle crsrData; 4 6 Handle to pixel data Handle crsrXData; 4 10 Internal use, expanded image handle short crsrXValid; 2 14 Set to 0 if you change cursor data or
color table
Handle crsrXHandle; 4 16 Reserved Bits16 crsr1data; 32 20 16 x 16 bits defines cursor visible
shape
Bits16 crsrMask; 32 52 16 x 16 bits defines area to mask
Point crsrHotSpot; 4 84 Part of the cursor which selects long crsrX table; 4 88 Reserved
long crsrID; 4 92 Color table seed for expanded cursor
typedef Cursor *CCrsrPtr;
typedef Cursor **CCrsrHandle;