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CoreAudioDevices.RenderPartChannelCountGet method |
  
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CoreAudioDevices.RenderPartChannelCountGet method |
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Remarks
Obtains the number of channels of a part embedded inside the given render audio endpoint device.
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 CoreAudioDevices COM object.
Syntax
[Visual Basic] control.CoreAudioDevices.RenderPartChannelCountGet ( nDeviceIndex as Integer, nPartId as enumCoreAudioRenderParts, nChannelsCount as Integer ) as enumErrorCodes |
[C++] short control.CoreAudioDevices.RenderPartChannelCountGet ( short nDeviceIndex, short nPartId, short *nChannelsCount ); |
Parameter |
Description |
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nDeviceIndex |
Zero-based index of the render audio endpoint device. The total number of render audio endpoint devices can be obtained through the CoreAudioDevices.CountGet method passing DEVICE_DATA_FLOW_RENDER to the nDataFlow parameter. |
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nPartId |
Identifier of the render part. Supported values are the following:
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nChannelsCount |
Reference that, on return from the method call, will contain the number of channels of the part. The returned value is 0 if the requested part is unsupported by the render audio endpoint device. |
Return value
Value |
Meaning |
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Negative value |
An error occurred, check the LastError property value in order to get the error code |
enumErrorCodes.ERR_NOERROR (0) |
The method call was successful |
