NSComboBox.Notifications.ObserveWillPopUp 方法
定义
重要
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重载
| ObserveWillPopUp(EventHandler<NSNotificationEventArgs>) | |
| ObserveWillPopUp(NSObject, EventHandler<NSNotificationEventArgs>) |
ObserveWillPopUp(EventHandler<NSNotificationEventArgs>)
public static Foundation.NSObject ObserveWillPopUp (EventHandler<Foundation.NSNotificationEventArgs> handler);static member ObserveWillPopUp : EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObject参数
- handler
- EventHandler<NSNotificationEventArgs>
返回
适用于
ObserveWillPopUp(NSObject, EventHandler<NSNotificationEventArgs>)
public static Foundation.NSObject ObserveWillPopUp (Foundation.NSObject objectToObserve, EventHandler<Foundation.NSNotificationEventArgs> handler);static member ObserveWillPopUp : Foundation.NSObject * EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObject参数
- objectToObserve
- NSObject
- handler
- EventHandler<NSNotificationEventArgs>