private static bool ManagerContainsNode( SceneManager sceneManager, SceneNode childNode )
{
bool managerContainsChild = false;
foreach ( SceneNode sceneNode in sceneManager.SceneNodes )
{
if ( sceneNode.Equals( childNode ) )
{
managerContainsChild = true;
}
}
return managerContainsChild;
}
}