<PackageReference Include="NETStandard.Library" Version="2.0.1" />

System.ComponentModel.Design.IMenuCommandService

public interface IMenuCommandService
namespace System.ComponentModel.Design { public interface IMenuCommandService { DesignerVerbCollection Verbs { get; } void AddCommand(MenuCommand command); void AddVerb(DesignerVerb verb); MenuCommand FindCommand(CommandID commandID); bool GlobalInvoke(CommandID commandID); void RemoveCommand(MenuCommand command); void RemoveVerb(DesignerVerb verb); void ShowContextMenu(CommandID menuID, int x, int y); } }