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WASAPI.RenderDeviceSharedFormatGet method

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Obtains the audio format for shared mode currently selected inside the Windows control panel for the given WASAPI device.


This method is only intended for usage with Windows Vista and later versions.

For further details about WASAPI see the WASAPIMan class and the How to manage audio playback through WASAPI tutorial.





[Visual Basic]

Public Function RenderDeviceSharedFormatGet (

nDeviceIndex as Int32,

ByRef nFrequency as Int32,

ByRef nChannels as Int16,

ByRef nBitDepth as enumWasapiBitDepths

) as enumErrorCodes



public enumErrorCodes RenderDeviceSharedFormatGet (

Int32 nDeviceIndex,

ref Int32 nFrequency,

ref Int16 nChannels




public: enumErrorCodes RenderDeviceSharedFormatGet (

Int32 nDeviceIndex,

Int32 __gc *nFrequency,

Int16 __gc *nChannels









Number representing the zero-based index of the WASAPI device of interest. The total number of available WASAPI devices can be obtained using the WASAPI.RenderDeviceGetCount method.


Reference that, on return from the method call, will contain the sample rate


Reference that, on return from the method call, will contain the number of channels



Return value






Negative value

An error occurred (see the LastError property for further error details)

enumErrorCodes.NOERROR (0)

The method call was successful.