CodePageChangedHook - Syntax

This hook notifies that a message queue code page has been changed.

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

HMQ      hmq;            /*  Message-queue handle. */
ULONG    usOldCodePage;  /*  Previous code page. */
ULONG    usNewCodePage;  /*  New code page. */

CodePageChangedHook(hmq, usOldCodePage, usNewCodePage);