private void VSUpdate()
        {
            vs = new VirtualSimulation();
            vs.Show();
            Save.Manager.SimulationCManager m = (Save.Manager.SimulationCManager)_manager;
            m._scene = vs._scene;

            /*while (!_active)
             * {
             *  m.Update();
             *  vs.glc.SwapBuffers();
             *  System.Threading.Thread.Sleep(20);
             * }*/
        }
        private void VSUpdate()
        {
            vs = new VirtualSimulation();
            vs.Show();
            Save.Manager.SimulationCManager m = (Save.Manager.SimulationCManager)_manager;
            m._scene = vs._scene;

            /*while (!_active)
            {
                m.Update();
                vs.glc.SwapBuffers();
                System.Threading.Thread.Sleep(20);
            }*/
        }