'宣言 Public Overloads Overridable Function CreateCollectionChange(Of T)( _ ByVal collection As ICollection(Of T), _ ByVal action As NotifyCollectionChangedAction, _ ByVal changedItem As T, _ ByVal index As Integer, _ ByVal itemTypeDisplayName As String _ ) As UndoUnit
public virtual UndoUnit CreateCollectionChange<T>( ICollection<T> collection, NotifyCollectionChangedAction action, T changedItem, int index, string itemTypeDisplayName )