Reference multitarget class library in VS2017 solution












1















In VisualStudio 2017 I created a class library which targets .net 4.0 (to support legacy applications on win XP) and 4.6.1 framework. I did this by making use of the new .csproj format which allows to specify multiple target frameworks as shown below.



<PropertyGroup>
<TargetFrameworks>net40;net472</TargetFrameworks>
</PropertyGroup>


Building the library for both frameworks works perfectly. I get my two folders, net40 and net472 which contain both a dll for the specific target framework.



In my solution, I now have two further projects. One WinForms App that references my library and a WPF App which also references it. WinForms App should use net40 and WPF App net472 version of my library.



When I add a project reference to the library in my WinForms App it uses net40 version. Everything fine.



But when I reference the class library project to my WPF application (which builds for net472) it also uses the net40 dll. But I want my WPF app to use the net472 version of the library.



Is there any possibility to select the target framework when referencing a multitarget class library as project reference in VS2017?



Update:
When I build a multitarget nuget package from the library and use the package to reference it, everything is fine. WPF app uses net472 and WinForms net40 automatically.










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    1















    In VisualStudio 2017 I created a class library which targets .net 4.0 (to support legacy applications on win XP) and 4.6.1 framework. I did this by making use of the new .csproj format which allows to specify multiple target frameworks as shown below.



    <PropertyGroup>
    <TargetFrameworks>net40;net472</TargetFrameworks>
    </PropertyGroup>


    Building the library for both frameworks works perfectly. I get my two folders, net40 and net472 which contain both a dll for the specific target framework.



    In my solution, I now have two further projects. One WinForms App that references my library and a WPF App which also references it. WinForms App should use net40 and WPF App net472 version of my library.



    When I add a project reference to the library in my WinForms App it uses net40 version. Everything fine.



    But when I reference the class library project to my WPF application (which builds for net472) it also uses the net40 dll. But I want my WPF app to use the net472 version of the library.



    Is there any possibility to select the target framework when referencing a multitarget class library as project reference in VS2017?



    Update:
    When I build a multitarget nuget package from the library and use the package to reference it, everything is fine. WPF app uses net472 and WinForms net40 automatically.










    share|improve this question



























      1












      1








      1


      1






      In VisualStudio 2017 I created a class library which targets .net 4.0 (to support legacy applications on win XP) and 4.6.1 framework. I did this by making use of the new .csproj format which allows to specify multiple target frameworks as shown below.



      <PropertyGroup>
      <TargetFrameworks>net40;net472</TargetFrameworks>
      </PropertyGroup>


      Building the library for both frameworks works perfectly. I get my two folders, net40 and net472 which contain both a dll for the specific target framework.



      In my solution, I now have two further projects. One WinForms App that references my library and a WPF App which also references it. WinForms App should use net40 and WPF App net472 version of my library.



      When I add a project reference to the library in my WinForms App it uses net40 version. Everything fine.



      But when I reference the class library project to my WPF application (which builds for net472) it also uses the net40 dll. But I want my WPF app to use the net472 version of the library.



      Is there any possibility to select the target framework when referencing a multitarget class library as project reference in VS2017?



      Update:
      When I build a multitarget nuget package from the library and use the package to reference it, everything is fine. WPF app uses net472 and WinForms net40 automatically.










      share|improve this question
















      In VisualStudio 2017 I created a class library which targets .net 4.0 (to support legacy applications on win XP) and 4.6.1 framework. I did this by making use of the new .csproj format which allows to specify multiple target frameworks as shown below.



      <PropertyGroup>
      <TargetFrameworks>net40;net472</TargetFrameworks>
      </PropertyGroup>


      Building the library for both frameworks works perfectly. I get my two folders, net40 and net472 which contain both a dll for the specific target framework.



      In my solution, I now have two further projects. One WinForms App that references my library and a WPF App which also references it. WinForms App should use net40 and WPF App net472 version of my library.



      When I add a project reference to the library in my WinForms App it uses net40 version. Everything fine.



      But when I reference the class library project to my WPF application (which builds for net472) it also uses the net40 dll. But I want my WPF app to use the net472 version of the library.



      Is there any possibility to select the target framework when referencing a multitarget class library as project reference in VS2017?



      Update:
      When I build a multitarget nuget package from the library and use the package to reference it, everything is fine. WPF app uses net472 and WinForms net40 automatically.







      c# visual-studio-2017 class-library multitargeting






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      edited Nov 22 '18 at 15:09







      Quergo

















      asked Nov 21 '18 at 21:46









      QuergoQuergo

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