TextBox.TextCompositionStarted 事件

定义

当用户开始通过输入法编辑器 (输入法) 撰写文本时发生。

// Register
event_token TextCompositionStarted(TypedEventHandler<TextBox, TextCompositionStartedEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
TextBox::TextCompositionStarted_revoker TextCompositionStarted(auto_revoke_t, TypedEventHandler<TextBox, TextCompositionStartedEventArgs const&> const& handler) const;
public event TypedEventHandler<TextBox,TextCompositionStartedEventArgs> TextCompositionStarted;
function onTextCompositionStarted(eventArgs) { /* Your code */ }
textBox.addEventListener("textcompositionstarted", onTextCompositionStarted);
textBox.removeEventListener("textcompositionstarted", onTextCompositionStarted);
- or -
textBox.ontextcompositionstarted = onTextCompositionStarted;
Public Custom Event TextCompositionStarted As TypedEventHandler(Of TextBox, TextCompositionStartedEventArgs) 
<TextBox TextCompositionStarted="eventhandler"/>

事件类型

注解

有关事件数据,请参阅 TextCompositionStartedEventArgs

仅当通过 输入法编辑器 (输入法) 编写 文本时,才会发生此事件。 文本合成事件按以下顺序发生:

在 TextCompositionStarted 事件之后, TextChanging>TextChanged>TextCompositionChanged 事件周期可以在 TextCompositionEnded 事件发生之前多次发生。

适用于

另请参阅