'宣言 Protected Overridable Function CreateButtonElements( _ ByRef workRect As Rectangle, _ ByVal addButtonElements As Boolean, _ ByVal displayStyle As EmbeddableElementDisplayStyle, _ ByVal clientRect As Rectangle, _ ByVal oldElements As UIElementsCollection _ ) As ICollection
protected virtual ICollection CreateButtonElements( ref Rectangle workRect, bool addButtonElements, EmbeddableElementDisplayStyle displayStyle, Rectangle clientRect, UIElementsCollection oldElements )