private static IntPtr _OpenDevice(string devicePath, bool enumerate)
{
return(NativeInterface.CreateFile_IntPtr(devicePath, enumerate ? 0 :
NativeInterface.GENERIC_READ | NativeInterface.GENERIC_WRITE,
enumerate ? NativeInterface.FILE_SHARE_READ | NativeInterface.FILE_SHARE_WRITE :
NativeInterface.FILE_SHARE_READ, IntPtr.Zero, NativeInterface.OPEN_EXISTING,
NativeInterface.FILE_FLAG_OVERLAPPED, 0));
}