HelpHook - Syntax

This hook processes help requests.

#define INCL_WINHOOKS /* Or use INCL_WIN, INCL_PM, */
#include <os2.h>

HAB       hab;          /*  Anchor-block handle. */
ULONG     usMode;       /*  Help mode. */
ULONG     idTopic;      /*  Topic identifier. */
ULONG     idSubTopic;   /*  Subtopic identifier. */
PRECTL    prcPosition;  /*  Rectangle. */
BOOL      rc;           /*  Indicator as to whether next hook in the chain is called. */

rc = HelpHook(hab, usMode, idTopic, idSubTopic,
       prcPosition);