'宣言 Protected Overridable Function PositionElements( _ ByVal workRect As Rectangle, _ ByVal phase As EditorWithTextAndDropDownUIElementBase.ChildElementPhase, _ ByVal oldElements As UIElementsCollection _ ) As Rectangle
protected virtual Rectangle PositionElements( Rectangle workRect, EditorWithTextAndDropDownUIElementBase.ChildElementPhase phase, UIElementsCollection oldElements )