public static ViewContatoJuridico Instance()
        {
            lock (typeof(ViewContatoJuridico))
                if (instance == null)
                {
                    instance = new ViewContatoJuridico();
                }

            return(instance);
        }
 private void BtnJuridico_Click(object sender, RoutedEventArgs e)
 {
     try
     {
         Views.ViewContatoJuridico contatoJuridico = Views.ViewContatoJuridico.Instance();
         contatoJuridico.ShowDialog();
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message);
     }
 }