# TextControl.EditableRegionEntered Event

> Occurs when the current input position has been moved to a position that belongs to an editable region. The event handler receives an argument of type EditableRegionEventArgs containing data related to this event.

- **Product:** TX Text Control .NET for WPF
- **Section:** Reference
- **Kind:** Event
- **Introduced:** 25.0
- **Namespace:** `TXTextControl.WPF`
- **Package:** `TXTextControl.TextControl.WPF.SDK` (assembly `TXTextControl.WPF.dll`, from the private NuGet feed or Text Control Offline Packages)
- **.NET Framework:** reference `TXTextControl.WPF.dll` from the setup
- **Path:** TX Text Control .NET for WPF > Reference > TXTextControl.WPF > TextControl.EditableRegionEntered Event
- **340 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-wpf/textcontrol/editableregionentered-event/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-wpf/textcontrol/editableregionentered-event/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-wpf/textcontrol/editableregionentered-event/llms-full.txt

---

### Description

Occurs when the current input position has been moved to a position that belongs to an editable region. The event handler receives an argument of type [EditableRegionEventArgs](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol/editableregioneventargs/llms-full.txt) containing data related to this event.

### Syntax

```csharp
public event EditableRegionEventHandler EditableRegionEntered;
```

```vbnet
Public Event EditableRegionEntered As EditableRegionEventHandler
```

### Examples

The following example records useful context when editable region entered occurs.

```csharp
textControl.EditableRegionEntered += (sender, e) =>
{
    Console.WriteLine($"Editable Region Entered at {DateTime.Now:u}");
};
```

```vbnet
AddHandler textControl.EditableRegionEntered,
    Sub(sender, e)
        Console.WriteLine($"Editable Region Entered at {DateTime.Now:u}")
    End Sub
```

---

## Nearby

- **Previous:** [TextControl.EditableRegionDeleted Event](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-wpf/textcontrol/editableregiondeleted-event/llms-full.txt)
- **Next:** [TextControl.EditableRegionHighlightMode Property](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-wpf/textcontrol/editableregionhighlightmode-property/llms-full.txt)