C# 可视化读取文件、文件夹

OpenFileDialog fd = new OpenFileDialog();
            fd.Filter = "txt files (*.txt)|*.txt|All files(*.*)|*.*";
            fd.InitialDirectory = Application.StartupPath + "\\Temp\\";
            fd.ShowReadOnly = true;
            DialogResult r = fd.ShowDialog();
            if(r == DialogResult.OK)
            {
                string all = fd.FileName;
                string path = all.Substring(, all.LastIndexOf("\\") + );
                string fileName = all.Substring(all.LastIndexOf("\\") + , all.LastIndexOf(".") - (all.LastIndexOf("\\") + ));
                string fileExc = all.Substring(all.LastIndexOf(".") + , all.Length - all.LastIndexOf(".") - );

                System.Console.WriteLine("all = {0}", all);
                System.Console.WriteLine("path = {0}" ,path);
                System.Console.WriteLine("fileName = {0}", fileName);
                System.Console.WriteLine("fileExc = {0}",fileExc);
            }

FolderBrowserDialog fbd = new FolderBrowserDialog();
                fbd.ShowNewFolderButton = true;

                if (fbd.ShowDialog() == DialogResult.OK)
                {
                    string path = fbd.SelectedPath;
                }
                else
                {
                }
获取该路径下的文件目录
string[] dataFiles = Directory.GetFiles(path);