打开文件夹的几种方法

打开文件夹： System.Windows.Forms.FolderBrowserDialog folder = new System.Windows.Forms.FolderBrowserDialog();
                       if (folder.ShowDialog() == DialogResult.OK){}

打开具体文件：OpenFileDialog ofd = new OpenFileDialog();
                         if (ofd.ShowDialog() == DialogResult.OK){}