using System.ComponentModel.Design; namespace System.Windows.Forms { class RibbonOrbOptionButtonCollectionEditor : CollectionEditor { public RibbonOrbOptionButtonCollectionEditor() : base(typeof(RibbonOrbOptionButtonCollection)) { } protected override Type CreateCollectionItemType() { return typeof(RibbonOrbOptionButton); } protected override Type[] CreateNewItemTypes() { return new[] { typeof(RibbonOrbOptionButton) }; } } }