MM_MIXM_LINE_CHANGE (Windows CE 5.0)
This 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_CHANGEwParam = (WPARAM) hMixerlParam = (LPARAM) dwLineID
Parameters
hMixer
Handle of the mixer device (HMIXER) that sent the 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.
Return Values
None.
Remarks
An application must open a mixer device and specify a callback window to receive the MM_MIXM_LINE_CHANGE message.
Requirements
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header: Mmsystem.h.
See Also
mixerGetLineInfo | MIXERLINE | Hardware Audio Mixer Messages
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