扣问和叩问是有一定的区别，主要体现在意思不同、出自不同、近义词不同三个方面，通过对比就可以把两者很好的区分开来。
I\'m using Visual Studio 2010 and in a WPF app I\'m using an expander. The prob is that the GroupBox etc inside the Expander are hidden from view in the Design window.
加载中,请稍侯......