我想我找到我的答案。 http://msdn.microsoft.com/en-us/library/ms972975 ＃的.aspx usercontrols_topic5

I think i find my answers. http://msdn.microsoft.com/en-us/library/ms972975.aspx#usercontrols_topic5

我花了一段时间，但我认为这篇文章就是我要找的。我希望它可以帮助别人也是如此。

It took me a while but i think this article is what i'm looking for. I hope it can help someone else as well.