NSUserDefaults.NoCloudAccountNotification 屬性
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
NoCloudAccount 的通知常數
[Foundation.Advice("Use NSUserDefaults.Notifications.ObserveNoCloudAccount helper method instead.")]
[Foundation.Field("NSUbiquitousUserDefaultsNoCloudAccountNotification", "Foundation")]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 10, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.TvOS, 10, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.WatchOS, 3, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Unavailable(ObjCRuntime.PlatformName.MacOSX, ObjCRuntime.PlatformArchitecture.All, null)]
public static Foundation.NSString NoCloudAccountNotification { [ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 10, 0, ObjCRuntime.PlatformArchitecture.All, null)] [ObjCRuntime.Introduced(ObjCRuntime.PlatformName.TvOS, 10, 0, ObjCRuntime.PlatformArchitecture.All, null)] [ObjCRuntime.Introduced(ObjCRuntime.PlatformName.WatchOS, 3, 0, ObjCRuntime.PlatformArchitecture.All, null)] [ObjCRuntime.Unavailable(ObjCRuntime.PlatformName.MacOSX, ObjCRuntime.PlatformArchitecture.All, null)] get; }
member this.NoCloudAccountNotification : Foundation.NSString
屬性值
NSString 常數應該用來做為 NSNotificationCenter 的權杖。
- 屬性
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 (
NSUserDefaults.NoCloudAccountNotification, (notification) => {Console.WriteLine ("Received the notification NSUserDefaults", notification); }
// Method style
void Callback (NSNotification notification)
{
Console.WriteLine ("Received a notification NSUserDefaults", notification);
}
void Setup ()
{
NSNotificationCenter.DefaultCenter.AddObserver (NSUserDefaults.NoCloudAccountNotification, Callback);
}