MissionPlanner.GMapMarkerADSBPlane.OnRender C# (CSharp) Method

        public override void OnRender(Graphics g)
        {
            Matrix temp = g.Transform;
            g.TranslateTransform(LocalPosition.X, LocalPosition.Y);

            g.RotateTransform(-Overlay.Control.Bearing);

            try
            {
                g.RotateTransform(heading);
            }
            catch
            {
            }

            switch (AlertLevel)
            {
                case AlertLevelOptions.Green:
                    g.DrawImageUnscaled(icong, icong.Width/-2, icong.Height/-2);
                    break;
                case AlertLevelOptions.Orange:
                    g.DrawImageUnscaled(icono, icono.Width/-2, icono.Height/-2);
                    break;
                case AlertLevelOptions.Red:
                    g.DrawImageUnscaled(iconr, iconr.Width/-2, iconr.Height/-2);
                    break;
            }

            g.Transform = temp;
        }
    }