comboBox控件内容根据其他控件值改变

 Type.Items.Clear();
            if (Product.Text == "光模块")
            {
                Type.Items.Add("100G QSFP28 SR4");
                Type.Items.Add("100G QSFP28 SR4(旧)");
                Type.Items.Add("56G SR4");
                Type.Items.Add("40G QSFP10 SR4");
                Type.Items.Add("25G SFP28 SR");
                Type.Items.Add("25G SFP28 LR");
            }
            else if (Product.Text == "AOC")
            {
                Type.Items.Add("100G QSFP28 AOC");
                Type.Items.Add("40G QSFP10 AOC");
                Type.Items.Add("25G SFP28 AOC");
            }
            else if (Product.Text == "Fanout")
            {
                Type.Items.Add("100G QSFP28 Fanout");
                Type.Items.Add("40G QSFP10 Fanout");

            }