'宣言 Protected Overrides Sub OnCollectionChanged( _ ByVal e As System.Collections.Specialized.NotifyCollectionChangedEventArgs _ )
'宣言
Protected Overrides Sub OnCollectionChanged( _ ByVal e As System.Collections.Specialized.NotifyCollectionChangedEventArgs _ )
protected override void OnCollectionChanged( System.Collections.Specialized.NotifyCollectionChangedEventArgs e )
UpdatableCollection<T> クラス UpdatableCollection<T> メンバ