RichEditBoxSelectionChangingEventArgs 类

定义

命名空间:

Windows.UI.Xaml.Controls

提供 RichEditBox.SelectionChanging 事件的事件数据。

public ref class RichEditBoxSelectionChangingEventArgs sealed

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 458752)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class RichEditBoxSelectionChangingEventArgs final

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 458752)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class RichEditBoxSelectionChangingEventArgs

Public NotInheritable Class RichEditBoxSelectionChangingEventArgs

继承

Object Platform::Object IInspectable RichEditBoxSelectionChangingEventArgs

属性

ContractVersionAttribute MarshalingBehaviorAttribute

Windows 要求

设备系列	Windows 10, version 1809 (在 10.0.17763.0 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v7.0 中引入)

注解

此类的实例作为参数传递给 SelectionChanging 事件处理程序。

属性

Cancel	获取或设置一个值，该值指示是否应取消选择操作。
SelectionLength	获取所选文本的长度。
SelectionStart	获取文本选择的起始索引。