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ExpFocusObserver.LostFocus Event

  • Reference

Definition

Namespace:
Microsoft.UI.Input.Experimental 
// Register
event_token LostFocus(TypedEventHandler<ExpFocusObserver, ExpFocusChangedEventArgs const&> const& handler) const;

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

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

Event Type

TypedEventHandler<ExpFocusObserver,ExpFocusChangedEventArgs>

Applies to