MM_MOM_OPEN message

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 Value

This message does not return a value.

Requirements

Requirement Value
Minimum supported client
Windows 2000 Professional [desktop apps only]
Minimum supported server
Windows 2000 Server [desktop apps only]
Header
Mmsystem.h (include Windows.h)

See also

MIDI Messages