Microsoft developers keep plugging away at the "huge technical challenge" of duplicating the Windows Forms designer found in the aging, Windows-only .NET Framework in .NET Core, the new open-source, ...

That means we need to re-architect the way the designer surface “communicates” with Visual Studio,” Microsoft wrote in a post.

Microsoft is open sourcing WPF, Windows Forms and Win UI via GitHub and making available the first public preview of Visual Studio 2019.

Visual Studio is based on .NET Framework. The Windows Forms Core designer however should enable users to create a visual design for .NET Core apps. If you've tried to "mix" .NET Framework and .NET ...