AVSampleBufferDisplayLayer.FailedToDecodeNotification 屬性

定義

命名空間:

AVFoundation

組件:

Xamarin.iOS.dll

FailedToDecode 的通知常數

[Foundation.Advice("Use AVSampleBufferDisplayLayer.Notifications.ObserveFailedToDecode helper method instead.")]
[Foundation.Field("AVSampleBufferDisplayLayerFailedToDecodeNotification", "AVFoundation")]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 8, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.MacOSX, 10, 10, ObjCRuntime.PlatformArchitecture.All, null)]
public static Foundation.NSString FailedToDecodeNotification { [ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 8, 0, ObjCRuntime.PlatformArchitecture.All, null)] [ObjCRuntime.Introduced(ObjCRuntime.PlatformName.MacOSX, 10, 10, ObjCRuntime.PlatformArchitecture.All, null)] get; }

member this.FailedToDecodeNotification : 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 (
        AVSampleBufferDisplayLayer.FailedToDecodeNotification, (notification) => {Console.WriteLine ("Received the notification AVSampleBufferDisplayLayer", notification); }


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

void Setup ()
{
    NSNotificationCenter.DefaultCenter.AddObserver (AVSampleBufferDisplayLayer.FailedToDecodeNotification, Callback);
}