Enum CollectionChangeAction Path C++ Link System.ComponentModel.CollectionChangeAction, System underlying int32 System.dll Values 3 NameValueHex Add10x01Remove20x02Refresh30x03 Used by 1types with a member, parameter or interface of this type CollectionChangeEventArgs // System.ComponentModel.CollectionChangeAction, System enum class CollectionChangeAction : int32 { Add = 1, Remove = 2, Refresh = 3, };