Zoom into Clusters (with Bing Maps) does not refresh clusters
问题 I followed the Bing Maps docs for Zoom into Clusters. Since Microsoft only embeds a screenshot, here's a working example. When you click on a cluster, notice that the cluster itself is not updated. Just pan the map very little bit, and then the map with its clusters is refreshed. So either the Bing Maps documentation is broken or it is a Bing Maps bug. Any idea for a workaround, e.g. how to force a map refresh after the map has zoomed in? The relevant code (which does not update the map