TextCompositionManager.PreviewTextInputStart 附加事件

定义

启动新 TextComposition 时发生。Occurs when a new TextComposition is started.

see AddPreviewTextInputStartHandler, and RemovePreviewTextInputStartHandler
see AddPreviewTextInputStartHandler, and RemovePreviewTextInputStartHandler
see AddPreviewTextInputStartHandler, and RemovePreviewTextInputStartHandler

注解

这是此事件的隧道版本。This is the tunneling version of this event. 对于冒泡版本, 请参阅TextInputStartFor the bubbling version, see TextInputStart.

这是由PreviewTextInputStartEvent字段标识的附加事件。This is an attached event identified by the PreviewTextInputStartEvent field. AddPreviewTextInputStartHandler使用和RemovePreviewTextInputStartHandler方法可管理指定依赖对象上的此事件。Use the AddPreviewTextInputStartHandler and RemovePreviewTextInputStartHandler methods to manage this event on a specified dependency object.

适用于

另请参阅