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WASAPI.DeviceGetCount method |
  
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WASAPI.DeviceGetCount method |
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Remarks
Retrieves the number of WASAPI devices currently installed inside the system.
The friendly name of each WASAPI device can be obtained using the WASAPI.DeviceGetDesc method.
This method is only intended for usage with Windows Vista and later versions.
For further details about the use of WASAPI see the WASAPIMan class and the How to manage audio flow through WASAPI tutorial.
Syntax
[Visual Basic] Public Function DeviceGetCount ( nDeviceType as enumWasapiDeviceTypes, ByRef nDevicesCount as Int32 ) as enumErrorCodes |
[C#] public enumErrorCodes DeviceGetCount ( enumWasapiDeviceTypes nDeviceType, ref Int32 nDevicesCount ); |
[C++] public: enumErrorCodes DeviceGetCount ( enumWasapiDeviceTypes nDeviceType, Int32 __gc *nDevicesCount ); |
Parameter |
Description |
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nDeviceType |
The type of device. Supported values are the following:
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nDevicesCount |
Reference that, on return from the method call, will contain the number of devices for the given device type. |
Return value
Value |
Meaning |
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Negative value |
An error occurred (see the LastError property for further error details) |
enumErrorCodes.ERR_NOERROR (0) |
The method call was successful. |
