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UIView.AnnouncementDidFinishNotification 屬性

  • 參考

定義

命名空間:
UIKit
組件:
Xamarin.iOS.dll

AnnouncementDidFinish 的通知常數

[Foundation.Advice("Use UIView.Notifications.ObserveAnnouncementDidFinish helper method instead.")]
[Foundation.Field("UIAccessibilityAnnouncementDidFinishNotification", "UIKit")]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 6, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public static Foundation.NSString AnnouncementDidFinishNotification { [ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 6, 0, ObjCRuntime.PlatformArchitecture.All, null)] get; }
member this.AnnouncementDidFinishNotification : Foundation.NSString

屬性值

NSString

NSString 常數應該用來做為 NSNotificationCenter 的權杖。

屬性
AdviceAttribute FieldAttribute IntroducedAttribute

備註

這個常數可以搭配 使用 NSNotificationCenter ，以註冊此通知的接聽程式。 這是 NSString 而非字串，因為這些值可以當做某些原生程式庫中的權杖使用，而不是單純用於其實際字串內容。 回呼的 'notification' 參數包含通知類型特有的額外資訊。

// Lambda style
NSNotificationCenter.DefaultCenter.AddObserver (
    UIView.AnnouncementDidFinishNotification, (notification) => {
        Console.WriteLine ("Received the notification UIView", notification); 
    });


// Method style
void Callback (NSNotification notification)
{
    Console.WriteLine ("Received a notification UIView", notification);
}

void Setup ()
{
    NSNotificationCenter.DefaultCenter.AddObserver (UIView.AnnouncementDidFinishNotification, Callback);
}

適用於

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