'宣言 Public Class MinMaxButtonUIElement Inherits Infragistics.Win.ButtonUIElementBase Implements Infragistics.Win.UIAutomation.IProvideUIAutomation
public class MinMaxButtonUIElement : Infragistics.Win.ButtonUIElementBase, Infragistics.Win.UIAutomation.IProvideUIAutomation
MinMaxButtonUIElement は子要素を含まず、ScrollBarUIElement 内に含まれます。