通过

CoreTextEditContext.SelectionRequested 事件

  • 参考

定义

命名空间:
Windows.UI.Text.Core
编辑

当文本输入服务器需要获取表示文本输入控件中当前选定文本的文本范围时发生。 应用程序应处理此事件并返回请求的范围。

// Register
event_token SelectionRequested(TypedEventHandler<CoreTextEditContext, CoreTextSelectionRequestedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
CoreTextEditContext::SelectionRequested_revoker SelectionRequested(auto_revoke_t, TypedEventHandler<CoreTextEditContext, CoreTextSelectionRequestedEventArgs const&> const& handler) const;
public event TypedEventHandler<CoreTextEditContext,CoreTextSelectionRequestedEventArgs> SelectionRequested;
function onSelectionRequested(eventArgs) { /* Your code */ }
coreTextEditContext.addEventListener("selectionrequested", onSelectionRequested);
coreTextEditContext.removeEventListener("selectionrequested", onSelectionRequested);
- or -
coreTextEditContext.onselectionrequested = onSelectionRequested;
Public Custom Event SelectionRequested As TypedEventHandler(Of CoreTextEditContext, CoreTextSelectionRequestedEventArgs)

事件类型

TypedEventHandler<CoreTextEditContext,CoreTextSelectionRequestedEventArgs>

适用于