private void btnUSAL_Click(object sender, RoutedEventArgs e) { try { BaseObjs.runMacro("Module3.Undo_Show_All_Links"); } catch { BaseObjs.loadDVB("C:/TSet/VBA2015/CIVIL3D2015.DVB"); BaseObjs.runMacro("Module3.Undo_Show_All_Links"); } }