The MEVT_EVENTTYPE macro retrieves the event type from the value specified in the dwEvent member of a MIDIEVENT structure.
BYTE MEVT_EVENTTYPE( 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_EVENTTYPE macro is defined as follows:
#define MEVT_EVENTTYPE(x) ((BYTE) (((x)>>24)&0xFF))
** 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.