“System.Runtime.InteropServices.dll”和“System.Runtime.Handles.dll”中都存在“System.Runtime.InteropServices.SafeHandle”类型

I'm currently porting a Windows 8.1 app to a Windows 10 UAP app which uses interop to communicate between C++ and C# and I'm having the following error popping up :I'm currently porting a Windows 8.1 app to a Wi