如何在Windows Phone 8中突出显示长列表选择器的所选项目
问题描述：
我已经开发了Windows Phone 8应用程序.在这种情况下，我使用了长列表"选择器来显示列表中的项目.到目前为止一切都很好.当用户单击长列表选择器的任何项目时，我要突出显示该项目的背景色，以便用户清楚地了解到他/她已经选择了一个项目.
I've developed Windows Phone 8 application. In that I'm using the Long list selector to display items in the list. Everything is fine up till now. When the user clicks on any item of long list selector, I want to highlight that item's background color, so that the user clearly understands that he/she has selected an item.
能否请您告诉我如何在Windows Phone 8中执行此操作.我期待得到答复.
Could you please tell me how to do this in windows phone 8. I'm looking forward for the response.