RichEditBoxTextChangingEventArgs Class      
Definition
Important
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Provides event data for the RichEditBox.TextChanging event.
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- Inheritance
- Attributes
Windows requirements
| Device family | 
							Windows 10 (introduced in 10.0.10240.0) | 
| API contract | 
							Windows.Foundation.UniversalApiContract (introduced in v1.0) | 
Remarks
An instance of this class is passed as a parameter to the TextChanging event handler.
Version history
| Windows version | SDK version | Value added | 
|---|---|---|
| 1703 | 15063 | IsContentChanging | 
Properties
| IsContentChanging | Gets a value that indicates whether the event occured due to a change in the text content. |