Rotate 3d Object free in the room

 protected override void OnRenderFrame(FrameEventArgs e)
        { 
//.....
 GL.Rotate(angleY, Vector3d.UnitY);  //rotation on Y-achis
            GL.Rotate(angleX, Vector3d.UnitX);  //rotation on X-achis
            GL.Rotate(angleZ, Vector3d.UnitZ);  //rotation on Z-achis
//.....
 
}

 void MouseMove(object sender, MouseMoveEventArgs e)
        {
            if (Mouse[MouseButton.Left])  //Move
            {
                MoveObject(e.XDelta, e.YDelta);
            }
            if (Mouse[MouseButton.Right])  //Rotate
            {
                // just my first idea to test it, but i need also a rotation on the z-achis in some cases...
                angleX += e.YDelta;
                angleY -= e.XDelta;
 
            }
 
        }