How do you populate the WinForms Toolbox in .NET?

[adegeo]

The way in which you populate the WinForms Toolbox changed from .NET Framework to .NET. With .NET Framework you customized the toolbox directly with referenced DLLs, while in .NET you need to reference NuGet packages. This is a gap that needs to be documented.

Internal feedback ticket

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Associated WorkItem - 366706