CoreComponentInputSource.LostFocus 事件

定义

命名空间:

Windows.UI.Core

当托管的 XAML 元素失去焦点时引发。

// Register
event_token LostFocus(TypedEventHandler<IInspectable, CoreWindowEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
CoreComponentInputSource::LostFocus_revoker LostFocus(auto_revoke_t, TypedEventHandler<IInspectable, CoreWindowEventArgs const&> const& handler) const;

public event TypedEventHandler<object,CoreWindowEventArgs> LostFocus;

function onLostFocus(eventArgs) { /* Your code */ }
coreComponentInputSource.addEventListener("lostfocus", onLostFocus);
coreComponentInputSource.removeEventListener("lostfocus", onLostFocus);
- or -
coreComponentInputSource.onlostfocus = onLostFocus;

Public Custom Event LostFocus As TypedEventHandler(Of Object, CoreWindowEventArgs) 

事件类型

TypedEventHandler<Object,CoreWindowEventArgs>

TypedEventHandler<IInspectable,CoreWindowEventArgs>