private void Sacuvaj(object sender, RoutedEventArgs e)
        {
            SaveFileTip(sender, e);
            SaveFileEtiketa(sender, e);
            SaveFileManifestacija(sender, e);
            UnderConstruction uc = new UnderConstruction();

            uc.ShowDialog();
        }
        private void MenuItem_Click_1(object sender, RoutedEventArgs e)
        {
            UnderConstruction uc = new UnderConstruction();

            uc.ShowDialog();
        }