UIElement.NoFocusCandidateFound 事件

定義

命名空間:

Microsoft.UI.Xaml

當使用者嘗試移動焦點（透過 Tab 鍵或方向箭頭）但焦點無法移動，因為該方向找不到焦點候選時，會發生這種情況。

// Register
event_token NoFocusCandidateFound(TypedEventHandler<UIElement, NoFocusCandidateFoundEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
UIElement::NoFocusCandidateFound_revoker NoFocusCandidateFound(auto_revoke_t, TypedEventHandler<UIElement, NoFocusCandidateFoundEventArgs const&> const& handler) const;

public event TypedEventHandler<UIElement,NoFocusCandidateFoundEventArgs> NoFocusCandidateFound;

function onNoFocusCandidateFound(eventArgs) { /* Your code */ }
uIElement.addEventListener("nofocuscandidatefound", onNoFocusCandidateFound);
uIElement.removeEventListener("nofocuscandidatefound", onNoFocusCandidateFound);
- or -
uIElement.onnofocuscandidatefound = onNoFocusCandidateFound;

Public Custom Event NoFocusCandidateFound As TypedEventHandler(Of UIElement, NoFocusCandidateFoundEventArgs) 

<uiElement NoFocusCandidateFound="eventhandler"/>

事件類型

TypedEventHandler<UIElement,NoFocusCandidateFoundEventArgs>

備註

NoFocusCandidateFound 是一個路由事件。 欲了解更多路由事件概念，請參閱 事件與路由事件總覽。

另請參閱

• NoFocusCandidateFoundEventArgs