|
CoreAudioDevices.SessionVolumeGet method |
  
|
|
CoreAudioDevices.SessionVolumeGet method |
|
Remarks
Obtains the volume of a channel of the given audio endpoint device. The current channel volume can be modified through the CoreAudioDevices.ChannelVolumeSet method.
You can be notified in real-time about session's volume changes performed through the Windows Mixer by catching the CallbackForCoreAudioEvents delegate having the nEvent parameter set to EV_COREAUDIO_SESSION_VOLUME_CHANGE.
This method is only intended for usage with Windows Vista and later versions: further information about management of audio devices in Windows Vista and later versions can be found inside the How to access settings of audio devices in Windows Vista and later versions tutorial.
For further details about methods related to the management of core audio devices refer to the CoreAudioDevicesMan class.
Syntax
[Visual Basic] Public Function SessionVolumeGet ( ByRef fVolumeLevel as Single ) as enumErrorCodes |
[C#] public enumErrorCodes SessionVolumeGet ( ref float fVolumeLevel ); |
[C++] public: enumErrorCodes SessionVolumeGet ( float __gc *fVolumeLevel ); |
Parameter |
Description |
|
|
fVolumeLevel |
Reference that, on return from the method call, will contain the session's volume level. Can be a value between 0 and 100. |
Return value
Value |
Meaning |
|
|
Negative value |
An error occurred (see the LastError property for further error details) |
enumErrorCodes.NOERROR (0) |
The method call was successful. |
