'宣言
Public MustInherit Class PopupToolBase
Inherits ToolBase
Implements Infragistics.Shared.IKeyedSubObject, Infragistics.Shared.IKeyedSubObjectEx, Infragistics.Win.IPopupItem, Infragistics.Win.Notifications.INotificationBadgeProvider, Infragistics.Win.Notifications.INotificationBadgeSettingsOwner