You can control the DX Studio Player though this class.
For example...
...
Scene scene1;
SoundEffect soundfire;
WorldObject ship;
axDXStudioPlayer1.GetScene("scene_1", out scene1);
scene1.GetWorldObject("ship",out ship);
scene1.GetSoundEffect("fire",out soundfire);
ship.SetPosition(0.0f,0.0f,0.0f);
soundfire.Play();
...
Note:
You should only attempt to access and control objects after the Load event has been fired, telling you that the DX Studio document has finished loading.