Mrtk 如何动态开启关闭网格渲染

 protected void Show() {
        IMixedRealityDataProviderAccess dataProviderAccess = CoreServices.SpatialAwarenessSystem as IMixedRealityDataProviderAccess;

        if (dataProviderAccess != null)
        {
            IReadOnlyList<IMixedRealitySpatialAwarenessMeshObserver> observers = dataProviderAccess.GetDataProviders<IMixedRealitySpatialAwarenessMeshObserver>();

            foreach (IMixedRealitySpatialAwarenessMeshObserver observer in observers)
            {
                // Set the mesh to use the occlusion material
                observer.DisplayOption = SpatialAwarenessMeshDisplayOptions.Visible;
            }
        }
    }
    protected void Hiden() {
        IMixedRealityDataProviderAccess dataProviderAccess = CoreServices.SpatialAwarenessSystem as IMixedRealityDataProviderAccess;

        if (dataProviderAccess != null)
        {
            IReadOnlyList<IMixedRealitySpatialAwarenessMeshObserver> observers = dataProviderAccess.GetDataProviders<IMixedRealitySpatialAwarenessMeshObserver>();

            foreach (IMixedRealitySpatialAwarenessMeshObserver observer in observers)
            {
                // Set the mesh to use the occlusion material
                observer.DisplayOption = SpatialAwarenessMeshDisplayOptions.None;
            }
        }
    }