System.IO.Packaging.PackagePart.GetStream C# (CSharp) Méthode

        public Stream GetStream()
        {
            return GetStream(Package.FileOpenAccess == FileAccess.Read && !IsRelationship ? FileMode.Open : FileMode.OpenOrCreate);
        }

        private static void ExtractContentFile(string rootFolder, PackagePart contentFile)
        {
            // Initially create file under the folder specified
            string contentFilePath = contentFile.Uri.OriginalString.Replace('/', Path.DirectorySeparatorChar);

            if (contentFilePath.StartsWith(Path.DirectorySeparatorChar.ToString(CultureInfo.InvariantCulture)))
            {
                contentFilePath = contentFilePath.TrimStart(Path.DirectorySeparatorChar);
            }

            contentFilePath = Path.Combine(rootFolder, contentFilePath);

            //Check for the folder already exists. If not then create that folder
            if (!Directory.Exists(Path.GetDirectoryName(contentFilePath)))
            {
                Directory.CreateDirectory(Path.GetDirectoryName(contentFilePath));
            }

            using (var newFileStream = File.Create(contentFilePath))
            {
                newFileStream.Close();
                var content = new byte[contentFile.GetStream().Length];
                contentFile.GetStream().Read(content, 0, content.Length);
                File.WriteAllBytes(contentFilePath, content);
            }
        }