public static extern eLeapRS OpenDevice(LEAP_DEVICE_REF rDevice, out IntPtr pDevice);
public static extern eLeapRS OpenDevice(LEAP_DEVICE_REF rDevice, out IntPtr pDevice);
public static extern eLeapRS OpenDevice(LEAP_DEVICE_REF rDevice, out IntPtr pDevice);
public static extern eLeapRS OpenDevice(LEAP_DEVICE_REF rDevice, out IntPtr pDevice);