似乎Windows Phone不支持字距调整 :- http://social.msdn.microsoft.com/Forums/en/windowsphone7series/thread/5bd5c3c2-b9a0-4adf-a760-dab17abad157 一个定制的解决方案可能是以下内容:- http://blogs.msdn.com/b/danteg/archive/2009/02/27/a-silverlight-textblock-with-tracking-surely-you-jest.aspx