ME3Creator.Objectselect.returnValue C# (CSharp) Method

        private int? returnValue()
        {
            int? result = 0;

            if (r2.Checked)
                result = comboBox1.SelectedIndex + 1;
            else if (r3.Checked)
                result = -comboBox2.SelectedIndex - 1;

            return result;
        }

        public static int? GetValue(PCCPackage p, int index)
        {
            Objectselect prompt = new Objectselect();
            prompt.Init(p, index);

            return prompt.ShowDialog() == DialogResult.OK ? prompt.returnValue() : null;
        }