private void Carta_Fianza_Closed(object sender, EventArgs e)
        {
            Carta_Fianza ventana = sender as Carta_Fianza;

            // (refrescar)
            this.IsEnabled = true;
            //QuitarEfecto(this);

            //Buscar_Locales();
        }
        private void btn_Carta_Click(object sender, RoutedEventArgs e)
        {
            // Se debe capturar el código
            DataRowView row = (DataRowView)((Button)e.Source).DataContext;

            string codigo  = (String)row["id"].ToString();
            string tipo    = (String)row["tipo"].ToString();
            string descrip = (String)row["des"].ToString();

            if (!Carta_Fianza._activo_form)
            {
                Carta_Fianza frm2 = new Carta_Fianza(codigo, tipo);
                frm2.Owner = this;
                //AplicarEfecto(this);
                this.IsEnabled = false;
                frm2.Show();
                Carta_Fianza._activo_form = true;
                frm2.Closed += Carta_Fianza_Closed;
            }
        }