RichEditBoxTextChangingEventArgs 类      
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
提供 RichEditBox.TextChanging 事件的事件数据。
public ref class RichEditBoxTextChangingEventArgs sealed/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class RichEditBoxTextChangingEventArgs final/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class RichEditBoxTextChangingEventArgs final[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class RichEditBoxTextChangingEventArgs[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class RichEditBoxTextChangingEventArgsPublic NotInheritable Class RichEditBoxTextChangingEventArgs- 继承
- 属性
Windows 要求
| 设备系列 | 
							Windows 10 (在 10.0.10240.0 中引入) | 
| API contract | 
							Windows.Foundation.UniversalApiContract (在 v1.0 中引入) | 
注解
此类的实例作为参数传递给 TextChanging 事件处理程序。
版本历史记录
| Windows 版本 | SDK 版本 | 增值 | 
|---|---|---|
| 1703 | 15063 | IsContentChanging | 
属性
| IsContentChanging | 获取一个值,该值指示事件是否由于文本内容更改而发生。 |