[.NET] Build multiple frameworks in a project

 .NET   .NET framework target

▌Introduction

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We will learn how to build multiple .NET frameworks in a project

▌Environment

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▋Visual Studio 2017 community

▌Implement

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▋Set new configuration

In Visual Studio, go to 【Configuration Manager】 as following.

Select <New…>

▋Set target .NET framework

Open your project setting file (*.csproj in a C# class library)

Find the section

<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug-net45|AnyCPU'">   ... </PropertyGroup>

Which Debug-net45 is your new config name.

Add the following setting to indicate the target framework version.

<TargetFrameworkVersion>v4.5</TargetFrameworkVersion>

▋Build

Now build and we get the different target framework in bin/

If the DLL and files ain't be built, go check the solution's property: Configuration Properties->Configuration.

▌Reference

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▋Multi targeting a single .Net project to build for different framework versions