通过

UIImage.FocusedElementKey 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 (查看 FocusedElement(String)) 来标识重点元素。

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

属性值

NSString
属性
AdviceAttribute FieldAttribute IntroducedAttribute

适用于