private void TreeViewItem_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            UcExportDb uc = new UcExportDb();

            uc.Margin    = new Thickness(0, 0, 0, 0);
            border.Child = uc;
        }
        private void TreeViewItem_MouseDoubleClick_1(object sender, MouseButtonEventArgs e)
        {
            OpenFileDialog of = new OpenFileDialog()
            {
                Filter = "Rubik Database Schemas (*.rds)|*.rds"
            };

            if (of.ShowDialog().Value)
            {
                Objects.Database db = Utils.DeserializeDatabase(of.FileName);
                UcExportDb       uc = new UcExportDb();
                uc.DatabaseSchema = db;
                uc.Margin         = new Thickness(0, 0, 0, 0);
                border.Child      = uc;
            }
        }