iSpyApplication.MainForm.SaveObjectList C# (CSharp) Method

        public void SaveObjectList(bool warn = true)
        {
            if (Cameras.Count == 0 && Microphones.Count == 0)
            {
                if (warn)
                    MessageBox.Show(LocRm.GetString("NothingToExport"), LocRm.GetString("Error"));
                return;
            }

            bool save = true;
            string filename = _currentFileName;
            if (warn)
            {

                using (var saveFileDialog = new SaveFileDialog
                                            {
                                                InitialDirectory = _lastPath,
                                                Filter = "iSpy Files (*.ispy)|*.ispy|XML Files (*.xml)|*.xml"
                                            })
                {

                    save = saveFileDialog.ShowDialog(this) == DialogResult.OK;
                    filename = saveFileDialog.FileName;
                }
            }
            if (save)
            {
                if (filename.Trim() != "")
                {
                    SaveObjects(filename);
                    try
                    {
                        var fi = new FileInfo(filename);
                        _lastPath = fi.DirectoryName;
                    }
                    catch
                    {
                    }
                }
            }
        }