hMailServer.Administrator.Dialogs.formRule.buttonAddCriteria_Click C# (CSharp) Method

        private void buttonAddCriteria_Click(object sender, EventArgs e)
        {
            hMailServer.RuleCriteria ruleCriteria = _rule.Criterias.Add();

            formRuleCriteria ruleCriteriaDialog = new formRuleCriteria(ruleCriteria);

            if (ruleCriteriaDialog.ShowDialog() == DialogResult.OK)
            {
                ruleCriteria.Save();

                ListRuleCriterias();

                _forcedDirty = true;
                EnableDisable();
            }

            Marshal.ReleaseComObject(ruleCriteria);
        }