What do I do with my old .NET Framework Apps?
summary
A practical migration checklist: run an assessment to inventory projects and incompatible APIs, convert projects to SDK-style and netstandard 2.0 where needed, then upgrade TFMs to net6.0-windows or net6.0. Demonstrated automated steps using net Upgrade Assistant (CLI) and Porting Assistant for .NET (GUI/VS extension), including analyzers, project file reduction (89→19 lines), and source fixes. Examples: a WinForms matching game moved from .NET Framework 4.5 to .NET 6 and a Newtonsoft.Json class library ported and used from a new console app.
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chapters (13)
- 0:00Introduction
- 2:14Where we are today with .NET
- 5:24Older .NET support
- 7:11Framework to modern .NET
- 10:20Missing in .NET 6
- 12:52Targeting changes
- 16:51Code sharing with .NET Standard
- 18:40Four-step migration workflow
- 23:36Upgrade Assistant & Porting Assistant
- 25:21Migrate WinForms with Upgrade Assistant
- 35:30Assess & port with Porting Assistant
- 41:48Test ported library in .NET 6
- 44:13Resources & closing
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