private void boutton_revenir_commande_Click(object sender, RoutedEventArgs e)
{
passage_de_commande fen1 = new passage_de_commande();
fen1.Show();
this.Close();
}
private void boutton_commande_CdR_Click(object sender, RoutedEventArgs e)
{
passage_de_commande fen1 = new passage_de_commande();
fen1.textblock_recup_id.Text = textblock_recup_id.Text; // Envoi de paramètres
fen1.Show();
this.Hide();
}