PKPassLibrary.RemotePaymentPassesDidChangeNotification 属性

定义

RemotePaymentPassesDidChange 的通知常量

[Foundation.Advice("Use PKPassLibrary.Notifications.ObserveRemotePaymentPassesDidChange helper method instead.")]
[Foundation.Field("PKPassLibraryRemotePaymentPassesDidChangeNotification", "PassKit")]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 9, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public static Foundation.NSString RemotePaymentPassesDidChangeNotification { [ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 9, 0, ObjCRuntime.PlatformArchitecture.All, null)] get; }
member this.RemotePaymentPassesDidChangeNotification : Foundation.NSString

属性值

NSString 常量应用作 NSNotificationCenter 的令牌。

属性

注解

此常量可用于注册 NSNotificationCenter 此通知的侦听器。 这是 NSString 而不是字符串,因为这些值可以用作某些本机库中的标记,而不是纯粹用于其实际字符串内容。 回调的“notification”参数包含特定于通知类型的额外信息。

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


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

void Setup ()
{
    NSNotificationCenter.DefaultCenter.AddObserver (PKPassLibrary.RemotePaymentPassesDidChangeNotification, Callback);
}

适用于