# CannotTrackChangeEventArgs.Handled Property

> A subscriber can set this property to true to indicate that he has handled the event. In this case the default handling is suppressed. The default handling shows a MessageBox asking the end-user whether the change of the document should be performed. The default value of this property is false.

- **Product:** TX Text Control .NET for WPF
- **Section:** Reference
- **Kind:** Property
- **Introduced:** 26.0
- **Namespace:** `TXTextControl`
- **Package:** `TXTextControl.TextControl.WPF.SDK` (assembly `TXTextControl.dll`, from the private NuGet feed or Text Control Offline Packages)
- **.NET Framework:** reference `TXTextControl.dll` from the setup
- **Path:** TX Text Control .NET for WPF > Reference > TXTextControl > CannotTrackChangeEventArgs.Handled Property
- **330 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol/cannottrackchangeeventargs/handled-property/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol/cannottrackchangeeventargs/handled-property/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol/cannottrackchangeeventargs/handled-property/llms-full.txt

---

### Description

A subscriber can set this property to true to indicate that he has handled the event. In this case the default handling is suppressed. The default handling shows a MessageBox asking the end-user whether the change of the document should be performed. The default value of this property is false.

### Syntax

```csharp
public bool Handled { get; set; }
```

```vbnet
Public Property Handled As Boolean
```

### Examples

The following example uses `CannotTrackChangeEventArgs.Handled` while handling `CannotTrackChange`.

```csharp
textControl.CannotTrackChange += (_, e) =>
{
    e.Handled = true;
};
```

```vbnet
AddHandler textControl.CannotTrackChange,
    Sub(sender, e)
        e.Handled = True
    End Sub
```

---

## Nearby

- **Previous:** [CannotTrackChangeEventArgs.DefaultMessage Property](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol/cannottrackchangeeventargs/defaultmessage-property/llms-full.txt)
- **Next:** [CapitalizationSettings Enumeration](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol/capitalizationsettings/enumeration/llms-full.txt)