System.IO.FileSystem 4.3.0 Microsoft microsoft,dotnetframework true http://go.microsoft.com/fwlink/?LinkId=329770 https://dot.net/ http://go.microsoft.com/fwlink/?LinkID=288859 Provides types that allow reading and writing to files and types that provide basic file and directory support. Commonly Used Types: System.IO.FileStream System.IO.FileInfo System.IO.DirectoryInfo System.IO.FileSystemInfo System.IO.File System.IO.Directory System.IO.SearchOption System.IO.FileOptions When using NuGet 3.x this package requires at least version 3.4. https://go.microsoft.com/fwlink/?LinkID=799421 © Microsoft Corporation. All rights reserved. true