.Net 4 class library use .net 4.5 class library RRS feed

  • Question

  • I have a Excel AddIn workbook 2007 Project in Visual Studio 2010.(Dotnet Framework 4.0)

    Now in this i have to refer class library which built on Dotnet framework 4.5.

    So, How can I refer classes and methods from class library(4.5 Framewrok) in 4.0 Dotnet project.

    Kindly suggest.


    Wednesday, January 29, 2014 12:31 PM


  • If you want to use features available in .NET 4.5 class library, you will need to retarget your project to .NET 4.5.
    • Proposed as answer by Barry Wang Thursday, January 30, 2014 8:22 AM
    • Marked as answer by Barry Wang Friday, February 7, 2014 7:52 AM
    Wednesday, January 29, 2014 2:41 PM