MM_MIXM_LINE_CHANGE

	Overview

	Group

	Quick Info

The MM_MIXM_LINE_CHANGE message is sent by a mixer device to notify an application that the state of an audio line on the specified device has changed. The application should refresh its display and cached values for the specified audio line.

MM_MIXM_LINE_CHANGE

wParam = (WPARAM) hMixer

lParam = (LPARAM) dwLineID

Parameters
hMixer

Handle of the mixer device that sent the notification message.

dwLineID

Line identifier for the audio line that has changed state. This identifier is the same as the dwLineID member of the MIXERLINE structure returned by the mixerGetLineInfo function.

Remarks
An application must open a mixer device and specify a callback window to receive the MM_MIXM_LINE_CHANGE message.

See Also
mixerGetLineInfo, MIXERLINE

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