WIM_OPEN message

The WIM_OPEN message is sent to a waveform-audio input callback function when a waveform-audio input device is opened.

WIM_OPEN 
dwParam1 = reserved 
dwParam2 = reserved 

Parameters

dwParam1

Reserved; must be zero.

dwParam2

Reserved; must be zero.

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

Waveform Audio

Waveform Messages