Description Want to create great .NET class libraries? Confused about .NET Standard, .NET Core, and .NET Framework? Watch this talk to learn how you can easily support multiple platforms with .NET Standard and no compromises, thanks to via multi-targeting. We'll also cover the other aspects, such as versioning, strong naming, and binding redirects.

3. What is .NET Standard?

4. $ dotnet new classlib -o My.Class.Library
.NET Standard
.NET Core
.NET Framework
Xamarin
~
~
HTML specification
Browsers

5. .NET Standard

8. https://github.com/dotnet/standard/tree/master/docs/planning/netstandard-2.1

9. Using platform-specific APIs
from .NET Standard

11. https://aka.ms/apianalyzer

15. .NET Standard &
.NET Framework

19. <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1" appliesTo="v1.0.3705">
<dependentAssembly>
<assemblyIdentity name="System.Collections.Immutable"
publicKeyToken="b03f5f7f11d50a3a“
culture="neutral"/>
<bindingRedirect oldVersion="0.0.0.0-1.2.2.0" newVersion="1.2.2.0"/>
</dependentAssembly>
</assemblyBinding>

21. Versioning

22. Kind When to increment Comment
Package Version Every change The ID of the NuGet package.
Assembly Version As you see fit The version number of the
assembly. Used by the loader to
resolve assemblies.
File Version Every change Generic concept, used by installers
to determine which file is newer.
Informational Version As you see fit Display string, doesn’t need to be a
version.

24. Tips & Tricks

28. https://aka.ms/netstandardFaq
https://aka.ms/netstandardDocs

30. My Standard Library 2.x
.NET Standard Library .NET Framework LibraryPortable Class Library
.NET FRAMEWORK .NET CORE XAMARIN
Via Portability
Via Compatibility Shim
Legend
Application Type
Is able to reference

31. TYPE
FORWARDING
This happens when you build a .NET Standard-based Library

32. TYPE
FORWARDING
This happens when you load .NET Standard-based library

33. TYPE
FORWARDING
This happens when you build a .NET Standard-based library with platform-specific extensions
TYPE
FORWARDING

34. This happens when you load .NET Standard-based library with platform-specific extensions
EXCEPTION
TYPE
FORWARDING