通过

ScreenReaderService.ScreenReaderPositionChanged 事件

  • 参考

定义

命名空间:
Windows.UI.Accessibility
编辑

当屏幕阅读器焦点指示器的位置 (（如“讲述人焦点突出显示”框）) 更改时发生。

// Register
event_token ScreenReaderPositionChanged(TypedEventHandler<ScreenReaderService, ScreenReaderPositionChangedEventArgs const&> const& handler) const;

// Revoke with event_token
void ScreenReaderPositionChanged(event_token const* cookie) const;

// Revoke with event_revoker
ScreenReaderService::ScreenReaderPositionChanged_revoker ScreenReaderPositionChanged(auto_revoke_t, TypedEventHandler<ScreenReaderService, ScreenReaderPositionChangedEventArgs const&> const& handler) const;
public event TypedEventHandler<ScreenReaderService,ScreenReaderPositionChangedEventArgs> ScreenReaderPositionChanged;
function onScreenReaderPositionChanged(eventArgs) { /* Your code */ }
screenReaderService.addEventListener("screenreaderpositionchanged", onScreenReaderPositionChanged);
screenReaderService.removeEventListener("screenreaderpositionchanged", onScreenReaderPositionChanged);
- or -
screenReaderService.onscreenreaderpositionchanged = onScreenReaderPositionChanged;
Public Custom Event ScreenReaderPositionChanged As TypedEventHandler(Of ScreenReaderService, ScreenReaderPositionChangedEventArgs)

事件类型

TypedEventHandler<ScreenReaderService,ScreenReaderPositionChangedEventArgs>

适用于