OpenUsbDevice Method (devInterfaceGuid, usbDevice)

Opens a WinUsb device by its DeviceInterfaceGUID.

Declaration Syntax

Visual Basic

Visual C++

public static bool OpenUsbDevice(
	ref Guid devInterfaceGuid,
	out UsbDevice usbDevice
)

Public Shared Function OpenUsbDevice ( _
	ByRef devInterfaceGuid As Guid, _
	<OutAttribute> ByRef usbDevice As UsbDevice _
) As Boolean

public:
static bool OpenUsbDevice(
	Guid% devInterfaceGuid, 
	[OutAttribute] UsbDevice^% usbDevice
)

Parameters

devInterfaceGuid (Guid%): Device Interface GUID of the usb device to open.

usbDevice (UsbDevice%): On success, a new UsbDevice instance.

Return Value

True on success.

Remarks

This is the Microsoft-recommended way for opening a WinUsb device. LibUsb device can be opened in this way as well. In order to open LibUsb devices in this manner, an entry must be added to the driver inf file:

[Install.HW]

Addreg=Add_LibUsb_Guid_Reg

[Add_LibUsb_Guid_Reg]

HKR,,LibUsbInterfaceGUIDs,0x10000,"{Your-Unique-Guid-String}"

Assembly: LibUsbDotNet (Module: LibUsbDotNet) Version: 2.2.8.104 (2.2.8.104)