如何检索指定文件夹内的文件数量及文件名？

Question

请如何检索指定文件夹内的文件数量及文件名？

Answer 1

string path = "..";
        string[] filenames = System.IO.Directory.GetFiles(path);

Answer 2

string[] _FileName = System.IO.Directory.GetFiles("路径");
_FileName.Length //数量

Answer 3

 public int File(string path)
        {
             int count=0;
             DirectoryInfo dinfo=new DirectoryInfo(path);
             FileInfo[] files =dinfo.GetFiles();
             count += files.Length;
             foreach(FileInfo fi in files)
             {
                 Console.WriteLine(fi.FullName);
             }
             DirectoryInfo[] di=dinfo.GetDirectories();
            foreach(DirectoryInfo dirinfo in di)
            {
                count += File(dirinfo.FullName);
            }
            return count;
        }