private static void ExecuteMethod(object parameter)
        {
            if (!(parameter is MainViewModel))
            {
                throw new ArgumentException("Parameter must be the correct view model type.", nameof(parameter));
            }

            var source = GetFolderPath("Select source folder");

            if (string.IsNullOrWhiteSpace(source))
            {
                return;
            }

            var destination = GetFolderPath("Select destination folder");

            if (string.IsNullOrWhiteSpace(destination))
            {
                return;
            }

            var settings = new Settings
            {
                DestinationFolder = destination,
                SourceFolder      = source
            };
            var library = PhotoLibraryConverter.Convert(settings);

            using var context = PhotoSyncContextFactory.Make(library.DestinationFullPath, true);
            context.Settings.Add(settings);
            context.SaveChanges();
            (parameter as MainViewModel).SetLibrary(library);
        }
        private static void ExecuteMethod(object parameter)
        {
            if (!(parameter is MainViewModel))
            {
                throw new ArgumentException("Parameter must be the correct view model type.", nameof(parameter));
            }

            var dialog = new OpenFileDialog
            {
                Title            = "Open Library",
                Filter           = "db files (*.db)|*.db|All Files (*.*)|*.*",
                InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures),
                Multiselect      = false
            };

            var result = dialog.ShowDialog();

            if (result == DialogResult.OK)
            {
                var path = dialog.FileName;
                if (!string.IsNullOrEmpty(path) && File.Exists(path))
                {
                    using var context = PhotoSyncContextFactory.Make(path);
                    var settings = context.Settings.Single();
                    var library  = PhotoLibraryConverter.Convert(settings);
                    library.FileName = Path.GetFileName(path);
                    (parameter as MainViewModel).SetLibrary(library);
                }
            }
        }