protected override void MoveNext() { // Create OpenFileDialog SaveFileDialog dlg = new SaveFileDialog(); // Set filter for file extension and default file extension dlg.DefaultExt = ".conf"; // Display OpenFileDialog by calling ShowDialog method bool?result = dlg.ShowDialog(); // Get the selected file name and display in a TextBox if (result == true) { try { builder.SaveSettings(dlg.FileName); } catch (Exception e) { MessageBoxWrapper.Show(e.Message); } } }