سؤال:-المرور على ملفات الجهاز

public void Files(string dirParent)
        {
            foreach (string file in Directory.GetFiles(dirParent))
            {
                //this  is the file name
            }
            foreach (string dir in Directory.GetDirectories(dirParent))
            {
                Files(dir);
                //this is directories in parent directory
            }
        }