Tracking-information structure.

typedef struct _TRACKINFO {
  LONG       cxBorder;         /*  Border width. */
  LONG       cyBorder;         /*  Border height. */
  LONG       cxGrid;           /*  Grid width. */
  LONG       cyGrid;           /*  Grid height. */
  LONG       cxKeyboard;       /*  Character cell width movement for arrow key. */
  LONG       cyKeyboard;       /*  Character cell height movement for arrow key. */
  RECTL      rclTrack;         /*  Starting tracking rectangle. */
  RECTL      rclBoundary;      /*  Boundary rectangle. */
  POINTL     ptlMinTrackSize;  /*  Minimum tracking size. */
  POINTL     ptlMaxTrackSize;  /*  Maximum tracking size. */
  ULONG      fs;               /*  Tracking options. */
} TRACKINFO;

typedef   TRACKINFO   * PTRACKINFO ;