Methods > Output devices and system mixers > MixerSetMasterVolume method

Remarks

Changes the system master volume for the given mixer: changing this volume will affect the volume also for other applications currently using the given mixer inside the system.

The current volume can be retrieved using the MixerGetMasterVolume method.

The number of mixers currently installed on the system can be retrieved using the MixerGetCount method. A friendly description of the mixer can be retrieved using the MixerGetDesc method.

Syntax

[Visual Basic]

control.MixerSetMasterVolume (

nIndex as Integer,

nValue as Integer

) as enumErrorCodes

[C++]

short control.MixerSetMasterVolume (

short nIndex,

short nValue

);

Parameter	Description

nIndex	Number representing the zero-based index of the mixer whose master volume must be set
nValue	The new volume value in the range from 0 to 100.

Return value

Value	Meaning

Negative value	An error occurred (see the LastError property for further error details)
enumErrorCodes.ERR_NOERROR (0)	The master volume has been changed correctly