Assembly: System.Design (in system.design.dll)
The .NET Framework internally constructs a new instance of the SubMenuStyleCollectionEditor class when you select, for example, the ellipsis button (…) on the LevelSubMenuStyles row in the Properties grid of the visual designer when designing a Menu control or a control that is derived from the Menu class.
Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.