AccessibilitySettings.HighContrastChanged 事件

定义

当系统高对比度功能打开或关闭时发生。

// Register
event_token HighContrastChanged(TypedEventHandler<AccessibilitySettings, IInspectable const&> const& handler) const;

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

// Revoke with event_revoker
AccessibilitySettings::HighContrastChanged_revoker HighContrastChanged(auto_revoke_t, TypedEventHandler<AccessibilitySettings, IInspectable const&> const& handler) const;
public event TypedEventHandler<AccessibilitySettings,object> HighContrastChanged;
function onHighContrastChanged(eventArgs) { /* Your code */ }
accessibilitySettings.addEventListener("highcontrastchanged", onHighContrastChanged);
accessibilitySettings.removeEventListener("highcontrastchanged", onHighContrastChanged);
- or -
accessibilitySettings.onhighcontrastchanged = onHighContrastChanged;
Public Custom Event HighContrastChanged As TypedEventHandler(Of AccessibilitySettings, Object) 

事件类型

适用于