Bing map silverlight control content rendering issue when page gets refresh

When Bing map control loads for first time on any开发者_如何转开发 browser all pushpin on map are visible. Bing map control renders perfectly.

Then I refresh browser it create rendering issue some custom pushpin on map gets disappeared. This behavior continues with pushpin. Pushpin are (.png) images and I am not using default bing map thumbtacks.

May be it is issue of browser caching content or Bing map control rendering issues on various browsers.

Please respond soon.

Convert .png to xaml then pushpin disapper issues will be solved Making pushpin silverlight native(.xaml) will solve the problem Its a browser cache issues that makes .png pin disapper