This hook filters messages from the input queue.
#define INCL_WINHOOKS /* Or use INCL_WIN, INCL_PM, */ #include <os2.h> HAB hab; /* Anchor-block handle. */ PQMSG pQmsg; /* A PQMSG data structure. */ ULONG fs; /* Message removal options. */ BOOL rc; /* Processed indicator. */ rc = InputHook(hab, pQmsg, fs);