通过

UIView.UnfocusedElementKey 属性

  • 参考

定义

命名空间:
UIKit
程序集:
Xamarin.iOS.dll

辅助功能 API 使用的字符串常量 (看到 FocusedElement(String)) 来标识以前聚焦的元素。

[Foundation.Advice("Use UIView.Notifications.ObserveUnfocusedElementKey helper method instead.")]
[Foundation.Field("UIAccessibilityUnfocusedElementKey", "UIKit")]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 9, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public static Foundation.NSString UnfocusedElementKey { [ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 9, 0, ObjCRuntime.PlatformArchitecture.All, null)] get; }
member this.UnfocusedElementKey : Foundation.NSString

属性值

NSString
属性
AdviceAttribute FieldAttribute IntroducedAttribute

适用于