对不起，伙计们，我得到了答案：

Sorry folks, I got the answer:

http：//social.msdn。 microsoft.com/Forums/en-US/csharpgeneral/thread/f3be4bbb-8025-4b1f-a2dd-b1b70b071bc7 /

http://social.msdn.microsoft.com/Forums/en-US/csharpgeneral/thread/f3be4bbb-8025-4b1f-a2dd-b1b70b071bc7/

请对，双重帖子真的很抱歉。摆脱这个。

Please, real sorry for the double post. Get rid of this.