c# 遍历获取所有文件的示例代码

/// <summary>
    /// 遍历获取所有文件
    /// </summary>
    /// <param name="filePathByForeach"></param>
    /// <param name="result"></param>
    public static void ForeachFile(string filePathByForeach, ref string result)
    {
      try
      {
        DirectoryInfo theFolder = new DirectoryInfo(filePathByForeach);
        DirectoryInfo[] dirInfo = theFolder.GetDirectories();//获取所在目录的文件夹
        FileInfo[] file = theFolder.GetFiles();//获取所在目录的文件

        foreach (FileInfo fileItem in file) //遍历文件
        {
          result += fileItem.DirectoryName + @"\" + fileItem.Name + "\n";
        }
        //遍历文件夹
        foreach (DirectoryInfo NextFolder in dirInfo)
        {
          ForeachFile(NextFolder.FullName, ref result);
        }

      }
      catch (Exception)
      {
        throw;
      }

    }