NodeInfo.NodeType = (int)USB_HUB_NODE.UsbHub;

// We need a separate struct to hold the union due to the fact that on 64-bit USB_HUB_NODE gets marshaled

   public USB_HUB_NODE NodeType;    /* hub, mi parent */

enum USB_HUB_NODE : uint

   USB_HUB_NODE  NodeType;

   NodeInfo.NodeType = (int)USB_HUB_NODE.UsbHub;

enum USB_HUB_NODE

Enum USB_HUB_NODE

typedef enum _USB_HUB_NODE {

} USB_HUB_NODE;