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