ElementHost control (Wpf Interoperability) do not display in Toolbox WinForms designer And Can not add Wpf UserControl in winform designer
- Dominant language
- C#
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Description
### Environment
VisualStudio 17.6.4
### .NET version
- Windows Form App template
- .NET core 7.0
### Did this work in a previous version of Visual Studio and/or previous .NET release?
It works in .NET framework 4.8
### Issue description
- Can not display ElementHost (Wpf Interoperability)
- Can not add Wpf UserControl in the Winform in design mode
### Steps to reproduce
- Create a new `Windows Form App` project with a target framework 7.0.
- Open Form1.cs in design mode
- Open Toolbox then search `ElementHost` (not found this control)
Image WinFormApp .net core 7.0
But with .net framework 4.8 has it and works fine
### Diagnostics
_No response_
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Assessment
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