XncwTheater Class

partial class FormMain
{
    public Pixoneer.NXDL.NNCW.XncwTheater xncwTheater;
    private void InitializeComponent()
    {
        this.xncwTheater = new Pixoneer.NXDL.NNCW.XncwTheater();
        this.xncwTheater.OnPicked += new Pixoneer.NXDL.NNCW.XncwTheaterPickEvent(this.OnPicked);
    }

    private void FormMain_Load(object sender, EventArgs e)
    {
        xncwTheater.AttachTo(nxPlanetView);

        XAircraft plane = new MyAircraft();
        plane.LoadModel("f15.3ds");
        plane.SetPosition(pos);
        plane.SetYawPitchRoll(att.yaw, att.pitch, att.roll);

        // Add aircraft to theater
        XEquipObj obj = plane;
        int nUUID = 1;
        xncwTheater.AddEquipment(nUUID, ref obj);
    }

    public void FreePlane(int uuid)
    {
        xncwTheater.FreeEquipment(uuid);
    }

    private bool OnPicked(object sender, Pixoneer.NXDL.NXPlanet.NXPlanetDrawArgs e, long nUUID)   
    {
        if (this.listBoxSelectedPlanes.InvokeRequired)
        {
            Pixoneer.NXDL.NNCW.XncwTheaterPickEvent d = new Pixoneer.NXDL.NNCW.XncwTheaterPickEvent(OnPicked);
            this.Invoke(d, new object[] { sender, e, nUUID });
        }
        else
        {
            for (int i = 0; i < this.listBoxSelectedPlanes.Items.Count; i++)
            {
                if (this.listBoxSelectedPlanes.Items[i].ToString() == nUUID.ToString())
                    return true;
            }
            this.listBoxSelectedPlanes.Items.Add(nUUID);
        }
        return true;
    }

    private void nxPlanetView_MouseClick(object sender, MouseEventArgs e)
    {
        xncwTheater.Pick(nxPlanetView.GetHandle(),new XVertex2d(e.X, e.Y));
    }
}