WPF and AdWindows.dll Revit 2025

[sonicer]

I have in project wpf form and added reference Adwindows.dll (ver : 5.1.2.1)from Revit 2025.

It make error :

Error (active) CS0103 The name 'InitializeComponent' does not exist in the current context :
If I use Adwindows.dll(ver : 5.0.3.1) from Revit 2024 ...work.

Any solution?

thx.

[moturi.magati.george]

Hi @sonicer,

I think the problem might come up on which .NET framework you are using. Make sure for Revit 2025 it is .NET 8.0

[XARMA]

Hi, Sir!
In the VisualStudio .Net 4.8, I could add WPF at just SolutionExproler but, How Can I add WPF in .net8.0??? 

[Mohamed_Arshad]

Hi @XARMA 

We have already resolved this issue, Kindly check the below link for additional reference.

Solved: Create UI for Revit 2025 based .Net 8 - Autodesk Community

[XARMA]

Thank you~!!!!