SpringModEdit.Mod.RedefineUnit C# (CSharp) Méthode

        public string RedefineUnit(string data)
        {
            return RedefineUnit(data, null);
        }

 private void closeToolStripMenuItem1_Click(object sender, EventArgs e)
 {
     if (tabControl1.SelectedTab != null)
     {
         try {
             string oid = tabControl1.SelectedTab.Text;
             string nid = mod.RedefineUnit((tabControl1.SelectedTab.Controls[0]).Text);
             tabControl1.TabPages.Remove(tabControl1.SelectedTab);
         } catch (Exception ex) {
             MessageBox.Show("Error while saving " + tabControl1.SelectedTab.Text + "\r\n" + ex.Message, "Script error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
         }
     }
 }