Windows 10 Universal App - Type exists in both “Windows.Foundation.UniversalApiContract”
问题 somehow (I have not even done anything) I get many erros in Visual Studio 2015 but I cant understand what the problem really is. It says that a lot of "types" exists in both "Windows.Foundation.UniversalApiContract" libraries. Can somebody help me? What can I do to rescue my solution and my project? I've tried to clean and rebuild it sometimes and this doesn't helped. 回答1: Looks like you are referencing both the Windows 10 SDK metadata (UAP) and the Windows 8.1 SDK metadata (Windows). Are you