MissionPlanner.GridUI.CHK_copter_headingholdlock_CheckedChanged C# (CSharp) Method

        private void CHK_copter_headingholdlock_CheckedChanged(object sender, EventArgs e)
        {
            if (CHK_copter_headingholdlock.Checked)
            {
                TXT_headinghold.ReadOnly = false;
            }
            else
            {
                TXT_headinghold.ReadOnly = true;
                TXT_headinghold.Text = Decimal.Round(NUM_angle.Value).ToString();
            }
        }