UIElement.LostFocus Event
Definition
Important
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// Register
event_token LostFocus(RoutedEventHandler const& handler) const;
// Revoke with event_token
void LostFocus(event_token const* cookie) const;
// Revoke with event_revoker
UIElement::LostFocus_revoker LostFocus(auto_revoke_t, RoutedEventHandler const& handler) const;public event RoutedEventHandler LostFocus;function onLostFocus(eventArgs) { /* Your code */ }
uIElement.addEventListener("lostfocus", onLostFocus);
uIElement.removeEventListener("lostfocus", onLostFocus);
- or -
uIElement.onlostfocus = onLostFocus;Public Custom Event LostFocus As RoutedEventHandler