private void Button_Borrar_Click(object sender, RoutedEventArgs e)
        {
            KeyStoreFile seleccionado = (KeyStoreFile)ItemGridView2.SelectedItem;

            if (seleccionado != null)
            {
                PreDeleteStore();
            }
        }
        private void DeleteStore()
        {
            KeyStoreFile seleccionado = (KeyStoreFile)ItemGridView2.SelectedItem;

            if (seleccionado != null)
            {
                try
                {
                    storeData.DeleteData(seleccionado.Name);
                    storeData.LoadData();
                    _source = storeData.GetGroupsByCategory();
                    ItemGridView2.ItemsSource = storeData.Collection;
                    EvaluateDeleteButton(storeData);
                }
                catch (FileNotFoundException)
                {
                    // Se ignora
                }
            }
        }