你好 ThankfulHeart,
>>现在问题在于：如何在WinForm中捕获这个异常？
你可以参考一下下面这个帖子，上面提到了TaskScheduler.UnobservedTaskException 在 winform apps 中的用法。
http://stackoverflow.com/questions/20542212/winforms-app-still-crashes-after-unhandled-exception-handler
>>另外烦请告知TaskScheduler为什么可以捕获全局对象的Task的异常？
参考下面的链接, 如果Task 没有处理异常， 一旦task被回收， finalizer thread 会抛UnobservedTaskException异常。
http://tpodolak.com/blog/2015/08/10/tpl-exception-handling-and-unobservedtaskexception-issue/
Best regards,
Cole Wu
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
Click
HERE to participate the survey.
