MissionPlanner.SerialInjectGPS.but_base_pos_Click C# (CSharp) Method

        private void but_base_pos_Click(object sender, EventArgs e)
        {
            string basepos = Settings.Instance["base_pos"];
            if (InputBox.Show("Base POS", "Please enter base pos location 'lat,lng,alt,name'", ref basepos) ==
                DialogResult.OK)
            {
                Settings.Instance["base_pos"] = basepos;

                loadBasePOS();
            }
            else
            {
                this.basepos = PointLatLngAlt.Zero;
            }
        }