MM_MIXM_LINE_CHANGE
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4/8/2010
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.
Syntax
MM_MIXM_LINE_CHANGE
wParam = (WPARAM) hMixer
lParam = (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 Value
None.
Remarks
An application must open a mixer device and specify a callback window to receive the MM_MIXM_LINE_CHANGE message.
Requirements
| Header | mmsystem.h |
| Windows Embedded CE | Windows CE 2.12 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |
| Note | Version 2.12 requires DXPAK 1.0 or later |