问题 1.I have Universal Windows Platform project with .net core I think. 2.I want to convert it to target .net framework . 回答1: You can indeed build a UWP app using .NET and C#, but UWP apps includes only a subset of the types provided in the full .NET Framework for each namespace. A main difference between a UWP app and a .NET desktop application is that the former runs in a sandbox that is isolated from other processes, whereas a traditional desktop application typically runs as a full-trust