private void OKButton_Click(object sender, RoutedEventArgs e)
        {
            UcActiviteCouleur ctr = new UcActiviteCouleur(lstInit);

            ctr.Closed += new EventHandler(ctrlr_Closed);
            ctr.Show();
        }
 private void btn_Modifier_Click(object sender, RoutedEventArgs e)
 {
     if (this.dtgrdParametre.SelectedItem != null)
     {
         UcActiviteCouleur ctr = new UcActiviteCouleur((CsCouleurActivite)this.dtgrdParametre.SelectedItem, lstInit);
         ctr.Closed += new EventHandler(ctrlr_Closed);
         ctr.Show();
     }
 }