可是在下面两篇提问中可以发现silverlight中缺乏这样的实现
http://silverlight.net/forums/t/52753.aspx
https://silverlight.net/forums/p/119934/270379.aspx
但是这个对用户体验又是极其重要的,codeplex上有个扩展tooltipservice的项目,可是也并未涉及到这个问题
http://tooltipservice.codeplex.com/
例如 xaml
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
code-behind
![](https://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
这样当点击了按钮时是不会再显示tooltip了
有一种不怎么有美感的解决方式就是,在要显示tooltip的控件上加一个透明的rectangle,然后在这个rectangle上放置原来要在控件上放的tooltip
这样确实可以显示了
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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