上QQ阅读APP看书，第一时间看更新
Getting ready
Let's make sure you have completed the previous recipe and, if not, complete it and come back to this one. Open Visual Studio 2017 and locate and open the previously built .NET Standard library.
Let's make sure you have completed the previous recipe and, if not, complete it and come back to this one. Open Visual Studio 2017 and locate and open the previously built .NET Standard library.