protected virtual void OnItemChanged(EditingContext context, ContextItem previousItem) { }
internal void InvokeOnItemChanged(EditingContext context, ContextItem previousItem) { this.OnItemChanged(context, previousItem); }
internal RequireContextItemSubscription(EditingContext context, RequiresContextItemAttribute requirement) : base((RequirementAttribute)requirement) { this._context = context; this._contextItemType = requirement.ContextItemType; }