private void Button_Click(object sender, RoutedEventArgs e) {     try     {         using (WFR2025.WfrControl wfrCtrl = new WFR2025.WfrControl())         {             wfrCtrl.Open(@"d:\test\sample.wfr");             wfrCtrl.Import("#1", WFR2025.IT.CSV, @"d:\test\sample.csv");             wfrCtrl.Create();             wfrCtrl.Save(WFR2025.ST.WFI, @"c:\out\sample.wfi");         }     }     catch (Exception ex)     {         MessageBox.Show(ex.Message, "ERROR");     } }