IWDFUsbTargetDevice::GetNumInterfaces method

The GetNumInterfaces method retrieves the number of USB interfaces for the USB device.

Syntax


UCHAR GetNumInterfaces();

Parameters

This method has no parameters.

Return value

GetNumInterfaces returns the number of IWDFUsbInterface interfaces for the USB device in the default configuration. The default configuration is identified by index zero.

Remarks

UMDF USB I/O target devices do not support multiple configurations.

Examples

The following code example retrieves the number of USB interfaces for the USB device.


    UCHAR NumInterfaces = pIUsbTargetDevice->GetNumInterfaces();

Requirements

End of support

Unavailable in UMDF 2.0 and later.

Minimum UMDF version

1.5

Header

Wudfusb.h (include Wudfusb.h)

DLL

WUDFx.dll

See also

IWDFUsbTargetDevice
IWDFUsbInterface

 

 

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