'宣言 Public MustInherit Class UltraTextDropDownEditorColumnBase Inherits UltraTextEditorColumnBase Implements Infragistics.Win.IImageListProvider, Infragistics.Win.IUltraControl
public abstract class UltraTextDropDownEditorColumnBase : UltraTextEditorColumnBase, Infragistics.Win.IImageListProvider, Infragistics.Win.IUltraControl