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WinForms is much more recent than that. It was introduced along with the .NET Framework around 2000. The original classic controls were implemented in USER.EXE
by Stratoscope 7y ago
WinForms is much more recent than that. It was introduced along with the .NET Framework around 2000.
The original classic controls were implemented in USER.EXE (which was actually a DLL) starting in Windows 1.0 around 1985. WinForms wrapped these controls and others in a .NET interface.