private void btn_FirstApproximation_Click(object sender, EventArgs e)
        {
            double pan  = (double)nupd_FirstApproxPan.Value;
            double tilt = (double)nupd_FirstApproxTilt.Value;

            int[] p1 = { (int)nupd_FirstApproxP10.Value, (int)nupd_FirstApproxP11.Value };
            int[] p2 = { (int)nupd_FirstApproxP20.Value, (int)nupd_FirstApproxP21.Value };
            nativeCommunicator.TestFirstAproximation(p1, p2, ref pan, ref tilt);
            nupd_FirstApproxPan.Value  = (decimal)pan;
            nupd_FirstApproxTilt.Value = (decimal)tilt;
            MessageBox.Show($"Pan : {pan}, Tilt: {tilt}");
        }