Copyright © 2011-2018 MultiMedia Soft

WASAPI.RenderDeviceChannelsGet method

Previous pageReturn to chapter overviewNext page

Remarks

 

Obtains the number of channels for the given WASAPI device.

 

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

Further information about WASAPI see the WASAPIMan class and the How to manage audio playback through WASAPI tutorial.

 

 

Syntax

 

[Visual Basic]

Public Function RenderDeviceChannelsGet (

nDeviceIndex as Int32,

nChannelsCount as Int32

) as enumErrorCodes


 

[C#]

public enumErrorCodes RenderDeviceChannelsGet (

Int32 nDeviceIndex,

ref Int32 nChannelsCount

);


 

[C++]

public: enumErrorCodes RenderDeviceChannelsGet (

Int32 nDeviceIndex,

Int32 __gc  *nChannelsCount

);


 

 

Parameter

Description

 

 

nDeviceIndex

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.

nChannelsCount

Reference that, on return from the method call, will contain the number of channels for the given device.

 

 

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.