'宣言 Protected Overrides Sub DataUpdatedOverride( _ ByVal action As FastItemsSourceEventAction, _ ByVal position As Integer, _ ByVal count As Integer, _ ByVal propertyName As String _ )
protected override void DataUpdatedOverride( FastItemsSourceEventAction action, int position, int count, string propertyName )
ShapeSeriesBase クラス ShapeSeriesBase メンバ