# TextControl.HeaderFooterActivated Event

> Occurs when a header or footer gets the current text input position from another part of the document such as a textframe or the main text. The event handler receives an argument of type HeaderFooterEventArgs containing data related to this event.

- **Product:** TX Text Control .NET for WPF
- **Section:** Reference
- **Kind:** Event
- **Introduced:** 16.0
- **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.HeaderFooterActivated Event
- **345 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-wpf/textcontrol/headerfooteractivated-event/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-wpf/textcontrol/headerfooteractivated-event/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-wpf/textcontrol/headerfooteractivated-event/llms-full.txt

---

### Description

Occurs when a header or footer gets the current text input position from another part of the document such as a textframe or the main text. The event handler receives an argument of type [HeaderFooterEventArgs](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol/headerfootereventargs/llms-full.txt) containing data related to this event.

### Syntax

```csharp
public event HeaderFooterEventHandler HeaderFooterActivated;
```

```vbnet
Public Event HeaderFooterActivated As HeaderFooterEventHandler
```

### Examples

The following example records useful context when header footer activated occurs.

```csharp
textControl.HeaderFooterActivated += (sender, e) =>
{
    Console.WriteLine($"Header Footer Activated at {DateTime.Now:u}");
};
```

```vbnet
AddHandler textControl.HeaderFooterActivated,
    Sub(sender, e)
        Console.WriteLine($"Header Footer Activated at {DateTime.Now:u}")
    End Sub
```

---

## Nearby

- **Previous:** [TextControl.GetXmlElements Method](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-wpf/textcontrol/getxmlelements-method/llms-full.txt)
- **Next:** [TextControl.HeaderFooterActivationStyle Property](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-wpf/textcontrol/headerfooteractivationstyle-property/llms-full.txt)