System.IO.DirectoryInfo.Create C# (CSharp) Méthode

        public void Create()
        {
            FileSystem.Current.CreateDirectory(FullPath);
        }

        public static void Resize(this Image source, String newFilename, Size newSize, long quality, ContentAlignment contentAlignment, ThumbMode mode)
        {
            Image image = source.Resize(newSize, quality, contentAlignment, mode);

            using (EncoderParameters encoderParams = new EncoderParameters(1))
            {
                using (EncoderParameter parameter = (encoderParams.Param[0] = new EncoderParameter(Encoder.Quality, quality)))
                {
                    ImageCodecInfo encoder = null;
                    //取得擴展名
                    string ext = Path.GetExtension(newFilename);
                    if (string.IsNullOrEmpty(ext))
                        ext = ".jpg";
                    //根據擴展名得到解碼、編碼器
                    foreach (ImageCodecInfo codecInfo in ImageCodecInfo.GetImageEncoders())
                    {
                        if (Regex.IsMatch(codecInfo.FilenameExtension, string.Format(@"(;|^)\*\{0}(;|$)", ext), RegexOptions.IgnoreCase))
                        {
                            encoder = codecInfo;
                            break;
                        }
                    }

                    DirectoryInfo dir = new DirectoryInfo(Path.GetDirectoryName(newFilename));
                    if(dir.Exists == false) dir.Create();
                    image.Save(newFilename, encoder, encoderParams);
                }
            }
        }