Important:
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.
A version of this page is also available for
4/8/2010

This message is sent to a window when the given waveform-audio output device is opened.

Syntax

MM_WOM_OPEN 

wParam = (WPARAM) 
hOutputDev

lParam = reserved 

Parameters

hOutputDev

Handle to the device that was opened.

lParam

Reserved; must be zero.

Return Value

None.

Requirements

Header mmsystem.h
Windows Embedded CE Windows CE 2.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also