from windows_winusb.h:364
typedef struct _USB_NODE_CONNECTION_INFORMATION_EX
{
ULONG ConnectionIndex;
USB_DEVICE_DESCRIPTOR DeviceDescriptor;
UCHAR CurrentConfigurationValue;
UCHAR Speed;
BOOLEAN DeviceIsHub;
USHORT DeviceAddress;
ULONG NumberOfOpenPipes;
USB_CONNECTION_STATUS ConnectionStatus;
} USB_NODE_CONNECTION_INFORMATION_EX, *PUSB_NODE_CONNECTION_INFORMATION_EX;