Custom Control Editor

Makes custom controls editable via the settings dialog

Using Unity's UI Builder. Adding Custom Controls, by James Lafritz

Beyond block styles, part 3: building custom design tools – WordPress Developer Blog

Control ProPresenter 7 Video Playback from Ross Dashboard- Cue

Custom Control IDE

Unity - Manual: Custom scripting symbols

Custom Control. Getting Started in Corporate Scenarios. – Allen & Heath

Adding custom control to resource file in MFC application

Custom Controls for WinForm's Out-Of-Process Designer - .NET Blog

Custom Editors, WinForms Controls

Allen & Heath Debuts Custom Control Install App for dLive – FOH