Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,667 questions
Same type-name exists in both Aero and Aero2
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 98%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
Snorvarg
6
Reputation points
I am updating several projects from .net framework 4.7.2 to .net6, using the excellent upgrade-assistant tool. Sometimes I get this error:
Error CS0433 The type 'SystemDropShadowChrome' exists in both 'PresentationFramework.Aero, Version=6.0.2.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' and 'PresentationFramework.Aero2, Version=6.0.2.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'
This always happens with .xaml-files, and always with the Aero and Aero2 packages. These are both referenced by the Microsoft.WindowsDesktop.App.WPF (C:\Program Files\dotnet\packs\Microsoft.WindowsDesktop.App.Ref\6.0.4) framework, which upgrade-assistant adds to my project when upgrading.
I can't remove the Microsoft.WindowsDesktop.App.WPF framework from my project, of course, but reading about the error CS0433 hints me there should be a way to choose between the packages. Except I cannot find out how to..
Anyone able to help me out?
Cross-posted here: https://stackoverflow.com/questions/72138621/same-type-name-exists-in-both-aero-and-aero2
Windows Presentation Foundation
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,205 questions
{count} votes
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Jack J Jun 24,281 Reputation points Microsoft Vendor2022-05-10T05:39:46.93+00:00 @Snorvarg , Welcome to Microsoft Q&A, based on your description, I still need some information to reproduce your problem. What is your current app, wpf or uwp? Could you provide some references you are using in the .net framework app?
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Snorvarg 6 Reputation points
2022-05-11T08:00:20.26+00:00 Hello Jack, here is a small summary:
- It is a wpf application
- I have converted the project from .net framework 4.7 to .net6 using the upgrade-assistant command line tool.
- The upgrade-assistant added a reference to the Microsoft.WindowsDesktop.App framework, which in turn is referencing both PresentationFramework.Aero and Aero2.
I added a screendump with the included Frameworks and Packages:
- It is a wpf application
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(291.2, 11%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHL%3C/text%3E%3C/svg%3E)
Hui Liu-MSFT 38,026 Reputation points Microsoft Vendor2022-05-20T03:19:47.217+00:00
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