Corrado's Blog 2.0

Online thoughts of a technology funatic

Blend 2015: Cannot add additional fields to a type… error

Yesterday repaved my machine and installed Windows 10 and Visual Studio 2015, I then loaded one of the projects I’m working on and I’ve a been shocked to discover that none of my views was rendering in Blend 2015 because of this error: “Cannot add additional fields to a type that does not have a constructor”

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Thanks to Blend team I was pointed to a workaround that fixed it (at least for me)

Go to Tools->Options->XAML designer and check the option: Run project code in XAML Designer (if supported) and reload the project

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Hope it helps.

1 Comment “Blend 2015: Cannot add additional fields to a type… error”

  1. hi
    thank you very much Corrado :-)
    i have this problem and now everything is OK!

    Comment by gholamreza sofalzadeh — 11/04/2016 @ 21:10

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