MM_MOM_OPEN

The MM_MOM_OPEN message is sent to a window when a MIDI output device is opened.

MM_MOM_OPEN 
wParam = (WPARAM) hOutput 
lParam = reserved 

Parameters

hOutput

Handle to the MIDI output device.

lParam

Reserved; do not use.

Return Values

This message does not return a value.

Requirements

**  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.

See Also

Musical Instrument Digital Interface (MIDI), MIDI Messages