internal void NotifyTileCacheInvalidated(DocumentCanvasTileCache tileCache, RectInt32 sourceRect) { base.VerifyAccess(); int mipLevel = tileCache.MipLevel; foreach (DocumentCanvasLayerView view in this.documentCanvasLayerViews.Values) { if ((mipLevel == 0) || (tileCache.IsHighQuality == GetIsHighQualityScalingEnabled(view.CanvasView))) { view.NotifyTileCacheInvalidated(tileCache, sourceRect); } } if (tileCache.IsActive) { tileCache.ProcessTileRenderQueue(); } }