When using .Net Standard 1.4 in a library and .Net framework 4.6.1 in and application, unable to load file System.IO.FileSystem, Version=4.0.1.0
问题 I have a solution that contains a library and 2 applications. The applications represent the same program, with one built to target the Windows App Store through UAP10 and the other built to target a Microsoft Windows PC using .Net Framework 4.6.1. I'm using Visual Studio 2017. I set the library project target .Net standard 1.4. I set the UWP application to target Windows 10 Aniversary Edition (10.0; Build 14393), Min version Windows 10 (10.0; Build 10586). I set the generic Windows