目前爲止最簡潔的C#文件夾Copy代碼,不接受反駁

private static void CopyEntireDir(string sourcePath, string destPath)
        {
            foreach (string dirPath in Directory.GetDirectories(sourcePath, "*", SearchOption.AllDirectories))
            {
                Directory.CreateDirectory(dirPath.Replace(sourcePath, destPath));
            }
            foreach (string newPath in Directory.GetFiles(sourcePath, "*.*", SearchOption.AllDirectories))
            {
                File.Copy(newPath, newPath.Replace(sourcePath, destPath), true);
            }
        }

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