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, ...

Open the Visual Studio software in the Windows ".NET Framework" program group. Open your Windows form project in the VS editor. Double-click the form you want to use to display a scroll bar control.

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 ...