private void lvwTables_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (lvwTables.SelectedItem == null)
            {
                return;
            }

            FlowDocument fdoc = new FlowDocument();
            Paragraph    p1   = new Paragraph();

            DataRowView drw       = lvwTables.SelectedItem as DataRowView;
            string      tableName = drw.Row.Field <string>(1);
            string      ownerName = drw.Row.Field <string>(0);

            txtTableName.Text = tableName;

            TriggerGenerator tg = new TriggerGenerator();

            p1.Inlines.Add(new Run(tg.BuildTrigger(ownerName, tableName)));
            fdoc.Blocks.Add(p1);
            rtblog.Document = fdoc;
        }