当我尝试调试Windows 8.1项目时,局部变量窗口为空,并且Watch显示了this的一个错误
this error CS0012: The type 'TaskAwaiter<>' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Threading.Tasks, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'.