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.
IMPORTANT NOTE ABOUT THE WINDOWS VERSION: This method is only intended for usage when the operating system is Windows XP or older versions; for Windows Vista and higher versions it's recommended using methods exposed by the CoreAudioDevicesMan class.
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Syntax
[Visual Basic]
Public Function MixerSetMasterVolume (
nIndex as Int16,
nValue as Int16
) as enumErrorCodes
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[C#]
public enumErrorCodes MixerSetMasterVolume (
Int16 nIndex,
Int16 nValue
);
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[C++]
public: enumErrorCodes MixerSetMasterVolume (
Int16 nIndex,
Int16 nValue
);
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Parameter
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Description
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nIndex
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Number representing the zero-based index of the mixer whose master volume must be set
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nValue
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The new volume value in the range from 0 to 100.
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Return value
Value
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Meaning
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Negative value
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An error occurred (see the LastError property for further error details)
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enumErrorCodes.NOERROR (0)
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The method call was successful
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