InputFocusController.LostFocus Event

Definition

Namespace:

Microsoft.UI.Input

Occurs when focus is moved from the associated ContentIsland.

// 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) 

Event Type

TypedEventHandler<InputFocusController,FocusChangedEventArgs>

See also

• GotFocus
• HasFocus