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UsbDevice.GetDeviceSelector(UInt32, UInt32, Guid) | getDeviceSelector(UInt32, UInt32, Guid) method

Gets an Advanced Query Syntax (AQS) string, based on vendor, product, and device interface GUID identifiers, specified by the app. The app passes the string to DeviceInformation.FindAllAsync in order to find a specific type of USB device.

Syntax

JavaScript

C++

Public Shared Function GetDeviceSelector(
  vendorId As UInteger,  
  productId As UInteger,  
  winUsbInterfaceClass As Guid 
) As String

Parameters

vendorId

Type: Number [JavaScript] | System.UInt32 [.NET] | uint32 [C++]

Specifies the vendor identifier for the device as assigned by the USB specification committee. Possible values are 0 through 0xffff.

productId

Type: Number [JavaScript] | System.UInt32 [.NET] | uint32 [C++]

Specifies the product identifier. This value is assigned by the manufacturer and is device-specific. Possible values are 0 through 0xffff.

winUsbInterfaceClass

Type: String [JavaScript] | System.Guid [.NET] | Platform::Guid [C++]

The device interface GUID exposed by the Winusb.sys driver. See the remarks section.

Return value

Type: String [JavaScript] | System.String [.NET] | Platform::String [C++]

String formatted as an AQS query.

Remarks

You can obtain the device interface GUID from the DeviceInterfaceGuids registry entry under this key:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Enum\USB\<Device Identifier>\<Instance Identifier>\Device Parameters

Requirements