打開文件夾的幾種方法

打開文件夾： System.Windows.Forms.FolderBrowserDialog folder = new System.Windows.Forms.FolderBrowserDialog();
                       if (folder.ShowDialog() == DialogResult.OK){}

打開具體文件：OpenFileDialog ofd = new OpenFileDialog();
                         if (ofd.ShowDialog() == DialogResult.OK){}