System.IO.Win32File.GetShare C# (CSharp) Méthode

        private static uint GetShare(FileShare share)
        {
            uint ushare = 0;
            switch (share)
            {
                case FileShare.Read:
                    ushare = FILE_SHARE_READ;
                    break;
                case FileShare.ReadWrite:
                    ushare = FILE_SHARE_READ | FILE_SHARE_WRITE;
                    break;
                case FileShare.Write:
                    ushare = FILE_SHARE_WRITE;
                    break;
                case FileShare.Delete:
                    ushare = FILE_SHARE_DELETE;
                    break;
                case FileShare.None:
                    ushare = 0;
                    break;

            }
            return ushare;
        }