public nRFupdateControl() { usbHidPort1 = new USBHIDLib.UsbHidPort(); // Specific device vendor and product id usbHidPort1.VendorId = USB_VENDOR_ID; usbHidPort1.ProductId = USB_PRODUCT_ID; usbHidPort1.PreferredInterface = 0x100; usbHidPort1.OnDataRecieved += new USBHIDLib.DataRecievedEventHandler(usb_OnDataRecieved); usbHidPort1.OnSpecifiedDeviceArrived += new EventHandler(usb_OnSpecifiedDeviceArrived); usbHidPort1.OnSpecifiedDeviceRemoved += new EventHandler(usb_OnSpecifiedDeviceRemoved); usbHidPort1.OnDataSent += new EventHandler(usb_OnDataSent); }