private async void BtnQuete_OnClick(object sender, RoutedEventArgs e) { if ( await App.Current.CurrentMainWindow.ShowMessageAsync("გსურთ ორდერის ქვოტირება?", "", MessageDialogStyle.AffirmativeAndNegative) != MessageDialogResult.Negative) { CurrentModel.QueteOrders(); NavigateToControl(PrevUserControl); } }