@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: Used by DeviceIoControl and [IOCTL_USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION] to get the Device Descriptor of a device on a port on a USB Hub !!!!C# Definition: [StructLayout(LayoutKind.Sequential, Pack=1)] struct USB_DEVICE_DESCRIPTOR { public byte bLength; public byte bDescriptorType; public ushort bcdUSB; public byte bDeviceClass; public byte bDeviceSubClass; public byte bDeviceProtocol; public byte bMaxPacketSize0; public ushort idVendor; public ushort idProduct; public ushort bcdDevice; public byte iManufacturer; public byte iProduct; public byte iSerialNumber; public byte bNumConfigurations; } !!!!VB Definition: Structure USB_DEVICE_DESCRIPTOR Public TODO End Structure !!!!User-Defined Field Types: None. !!!!Notes: Is often used as a type inside a USB_NODE_CONNECTION_INFORMATION_EX structure, hence the need for the "Pack=1" The values for iManufacturer, iProduct, and iSerialNumber are just indexs that are used by the USB_STRING_DESCRIPTOR request typedef struct _USB_DEVICE_DESCRIPTOR { UCHAR bLength; UCHAR bDescriptorType; USHORT bcdUSB; UCHAR bDeviceClass; UCHAR bDeviceSubClass; UCHAR bDeviceProtocol; UCHAR bMaxPacketSize0; USHORT idVendor; USHORT idProduct; USHORT bcdDevice; UCHAR iManufacturer; UCHAR iProduct; UCHAR iSerialNumber; UCHAR bNumConfigurations; } USB_DEVICE_DESCRIPTOR, *PUSB_DEVICE_DESCRIPTOR ; Documentation: USB_DEVICE_DESCRIPTOR@msdn on MSDN
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