private void DataGridPersonas_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            Persona        personaModificar = (Persona)DataGridPersonas.SelectedItem;
            DialogoPersona dialogoPersona   = new DialogoPersona(LogicaNegocio, personaModificar, DataGridPersonas.SelectedIndex);

            dialogoPersona.ShowDialog();
        }
        private void BotonAlta_Click(object sender, RoutedEventArgs e)
        {
            DialogoPersona dialogoPersona = new DialogoPersona(LogicaNegocio);

            dialogoPersona.ShowDialog();
        }