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
);
The MEVT_EVENTPARM macro is defined as follows:
#define MEVT_EVENTPARM(x) ((DWORD) ((x)&0x00FFFFFFL))
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in mmsystem.h.
Musical Instrument Digital Interface (MIDI) Overview, MIDI Macros, MIDIEVENT