InputFocusController.LostFocus 事件

  • 参考

定义

命名空间:
Microsoft.UI.Input
编辑

当焦点从关联的 ContentIsland 移动时发生。

// Register
event_token LostFocus(TypedEventHandler<InputFocusController, FocusChangedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
InputFocusController::LostFocus_revoker LostFocus(auto_revoke_t, TypedEventHandler<InputFocusController, FocusChangedEventArgs const&> const& handler) const;
public event TypedEventHandler<InputFocusController,FocusChangedEventArgs> LostFocus;
function onLostFocus(eventArgs) { /* Your code */ }
inputFocusController.addEventListener("lostfocus", onLostFocus);
inputFocusController.removeEventListener("lostfocus", onLostFocus);
- or -
inputFocusController.onlostfocus = onLostFocus;
Public Custom Event LostFocus As TypedEventHandler(Of InputFocusController, FocusChangedEventArgs)

事件类型

TypedEventHandler<InputFocusController,FocusChangedEventArgs>

适用于

另请参阅