List<FileInfo> list = new List<FileInfo>();         public void FindFile(string path, string filePattern)                {                    DirectoryInfo di = new DirectoryInfo(path);                    FileInfo[] fis = di.GetFiles(filePattern);                    DirectoryInfo[] dis = di.GetDirectories();                            foreach (FileInfo i in fis)                    {                        list.Add(i);                    }                            foreach (DirectoryInfo i in dis)                    {                        path = i.FullName;                        FindFile(path, filePattern);                    }                }