我今天遇到了这个问题.我尝试关闭解决方案，但没有成功.我的错误是我将解决方案设置为发布模式"而不是调试模式".我将其设置为Debug，然后按预期工作.

I encountered this today. I tried closing the solution but it didn't work. My mistake I set my solution to Release Mode instead of Debug Mode. I set it to Debug then it worked as expected.

我正在使用VS 2015 Professional.

I'm using VS 2015 professional.