using (MercatorUi.Forms.Reporting.ReportingDialogs.AskRfs askRfs = new MercatorUi.Forms.Reporting.ReportingDialogs.AskRfs(false))
{
    askRfs.ShowDialog(MercatorUi.Globals.iw);
    if (askRfs.DialogResult == System.Windows.Forms.DialogResult.OK)
        MercatorUi.Dialogs.Stop(askRfs.Sql);
}