BF2Statistics.MedalData.ConditionListForm.NewCriteria_Click C# (CSharp) Method

        private void NewCriteria_Click(object sender, EventArgs e)
        {
            if (List.Type == ConditionType.Plus || List.Type == ConditionType.Div)
            {
                if (ConditionTree.Nodes[0].Nodes.Count > 1)
                {
                    MessageBox.Show("Only 2 criteria's allowed per List.");
                    return;
                }
            }
            else if (List.Type == ConditionType.Not)
            {
                if (ConditionTree.Nodes[0].Nodes.Count == 2)
                {
                    MessageBox.Show("Only 1 criteria allowed per List.");
                    return;
                }
            }

            // Make sure we are only adding to the root condition list
            Child = new NewCriteriaForm();
            Child.FormClosing += Child_FormClosing;
            Child.Show();
        }