Usb​Control​Recipient Usb​Control​Recipient Usb​Control​Recipient Enum

Definition

Defines constants that indicate the recipient of a USB control transfer. The recipient is defined in the setup packet of the control request. See Table 9.2 of section 9.3 of the Universal Serial Bus (USB) specification (www.usb.org).

public : enum class UsbControlRecipientpublic enum UsbControlRecipientPublic Enum UsbControlRecipient
Attributes
Windows 10 requirements
Device family
Windows 10 (introduced v10.0.10240.0)
API contract
Windows.Foundation.UniversalApiContract (introduced v1)

Remarks

For conceptual information about USB control transfers, see "About the default endpoint" and "Layout of a control transfer" in How to send a USB control transfer.

Fields

DefaultInterface DefaultInterface DefaultInterface

The recipient of the control transfer is the default (or the first) USB interface in the selected configuration of the device.If the recipient is the first interface of the active configuration (DefaultInterface ), SendControlInTransferAsync and SendControlOutTransferAsync methods overwrite the low byte of UsbSetupPacket.Index with the interface number of the default interface.

By using this value, an app can omit the interface number in an interface-recipient request.

Device Device Device

The recipient of the control transfer is the device.

Endpoint Endpoint Endpoint

The recipient of the control transfer is an endpoint.

Other Other Other

The recipient of the control transfer is other.

SpecifiedInterface SpecifiedInterface SpecifiedInterface

The recipient of the control transfer is the USB interface that is specified in the request.