PKHeX.Form1.updateHPType C# (CSharp) Method

        private void updateHPType(object sender, EventArgs e)
        {
            if (changingFields) return;
            changingFields = true;
            int[] ivs =
            { 
                Util.ToInt32(TB_HPIV.Text), Util.ToInt32(TB_ATKIV.Text), Util.ToInt32(TB_DEFIV.Text), 
                Util.ToInt32(TB_SPAIV.Text), Util.ToInt32(TB_SPDIV.Text), Util.ToInt32(TB_SPEIV.Text) 
            };

            // Change IVs to match the new Hidden Power
            int[] newIVs = PKX.setHPIVs(Util.getIndex(CB_HPType), ivs);
            TB_HPIV.Text = newIVs[0].ToString();
            TB_ATKIV.Text = newIVs[1].ToString();
            TB_DEFIV.Text = newIVs[2].ToString();

            TB_SPAIV.Text = newIVs[3].ToString();
            TB_SPDIV.Text = newIVs[4].ToString();
            TB_SPEIV.Text = newIVs[5].ToString();

            // Refresh View
            changingFields = false;
            updateIVs(null, null);
        }
        private void updateIVs(object sender, EventArgs e)