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UsbDeviceDescriptor class

Derives information from the USB device descriptor of the device. For an explanation of the device descriptor, see Table 9.8 in the Universal Serial Bus Specification.

Syntax

JavaScript

C++


var usbDeviceDescriptor = Windows.Devices.Usb.UsbDevice.DeviceDescriptor;

Attributes

[DualApiPartition()]

[MarshalingBehavior(Agile)]

[Version(0x06030000)]

Members

The UsbDeviceDescriptor class has these types of members:

Methods
Properties

Methods

The UsbDeviceDescriptor class inherits methods from the Object class (C#/VB/C++).

Properties

The UsbDeviceDescriptor class has these properties.

Property	Access type	Description
BcdDeviceRevision	Read-only	Gets the bcdDeviceRevision field of the USB device descriptor. The value indicates the revision number defined by the device and is a binary-coded decimal number.
BcdUsb	Read-only	Gets the bcdUSB field of the USB device descriptor. The value indicates the version of the USB specification to which the device conforms.
MaxPacketSize0	Read-only	Gets the bMaxPacketSize0 field of the USB device descriptor. The value indicates the maximum packet size, in bytes, for endpoint zero of the device. This value can be 8, 16, 32, or 64.
NumberOfConfigurations	Read-only	Gets the bNumConfigurations field of the USB device descriptor. The value indicates the total count of USB configurations supported by the device.
NumberOfConfigurations	Read-only	Gets the bNumConfigurations field of the USB device descriptor. The value indicates the total count of USB configurations supported by the device.
ProductId	Read-only	Gets the idProduct field of the USB device descriptor. This value indicates the device-specific product identifier and is assigned by the manufacturer.
VendorId	Read-only	Gets the idVendor field of the USB device descriptor. The value indicates the vendor identifier for the device as assigned by the USB specification committee.

Remarks

The UsbDeviceDescriptor class does not include manufacturer, product, and serial number strings that are included in a device-defined descriptor. You can obtain those strings by using the Windows.Devices.Enumeration namespace. For information about a USB device descriptor, see the top portion of this topic: USB device descriptors.

Requirements

Minimum supported client	Windows 8.1 [Windows Store apps, desktop apps]
Minimum supported server	Windows Server 2012 R2 [Windows Store apps, desktop apps]
Namespace	Windows.Devices.Usb Windows::Devices::Usb [C++]
Metadata	Windows.winmd