The MEVT_EVENTPARM macro retrieves the event parameters or length from the value specified in the dwEvent member of a MIDIEVENT structure.
DWORD MEVT_EVENTPARM( DWORD dwEvent );
Code for the MIDI event and the event parameters or length, as specified in the dwEvent member of the MIDIEVENT structure.
The MEVT_EVENTPARM macro is defined as follows:
#define MEVT_EVENTPARM(x) ((DWORD) ((x)&0x00FFFFFFL))
** Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
** Windows 95/98/Me:** Included in Windows 95 and later.
** Header:** Declared in Mmsystem.h; include Windows.h.