通过

ScrollPresenter.AnchorRequested 事件

  • 参考

定义

命名空间:
Microsoft.UI.Xaml.Controls.Primitives
编辑

在 即将选择定位点元素时 ScrollView 发生。

// Register
event_token AnchorRequested(TypedEventHandler<ScrollPresenter, ScrollingAnchorRequestedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
ScrollPresenter::AnchorRequested_revoker AnchorRequested(auto_revoke_t, TypedEventHandler<ScrollPresenter, ScrollingAnchorRequestedEventArgs const&> const& handler) const;
public event TypedEventHandler<ScrollPresenter,ScrollingAnchorRequestedEventArgs> AnchorRequested;
function onAnchorRequested(eventArgs) { /* Your code */ }
scrollPresenter.addEventListener("anchorrequested", onAnchorRequested);
scrollPresenter.removeEventListener("anchorrequested", onAnchorRequested);
- or -
scrollPresenter.onanchorrequested = onAnchorRequested;
Public Custom Event AnchorRequested As TypedEventHandler(Of ScrollPresenter, ScrollingAnchorRequestedEventArgs)

事件类型

TypedEventHandler<ScrollPresenter,ScrollingAnchorRequestedEventArgs>

适用于