'宣言
Public Class UltraCalculatorDropDown
Inherits Infragistics.Win.UltraWinEditors.EditorWithTextDropDownControlBase
Implements Infragistics.Win.AppStyling.ISupportAppStyling, Infragistics.Win.IImageListProvider, Infragistics.Win.IProvidesEmbeddableEditor, Infragistics.Win.IUltraControl, Infragistics.Win.IUltraControlElement, Infragistics.Win.Touch.ISupportTouchMetrics, Infragistics.Win.UIAutomation.IProvideUIAutomation
