# TextViewGenerator.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 Server
- **Section:** Reference
- **Kind:** Event
- **Introduced:** 21.0
- **Namespace:** `TXTextControl.ServerVisualisation`
- **Package:** `TXTextControl.TextControl.Core.SDK` (assembly `TXTextControl.Server.Core.dll`, from the private NuGet feed or Text Control Offline Packages)
- **Package:** `TXTextControl.TextControl.ASP.SDK` (assembly `TXTextControl.Server.dll`, from the private NuGet feed or Text Control Offline Packages)
- **.NET Framework:** reference `TXTextControl.Server.dll` from the setup
- **Path:** TX Text Control .NET Server > Reference > TXTextControl.ServerVisualization > TextViewGenerator.HeaderFooterActivated Event
- **348 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-servervisualization/textviewgenerator/headerfooteractivated-event/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-servervisualization/textviewgenerator/headerfooteractivated-event/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-servervisualization/textviewgenerator/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-server/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
textViewGenerator.HeaderFooterActivated += (sender, e) =>
{
    Console.WriteLine($"Header Footer Activated at {DateTime.Now:u}");
};
```

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

---

## Nearby

- **Previous:** [TextViewGenerator.GetDialogBox Method](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-servervisualization/textviewgenerator/getdialogbox-method/llms-full.txt)
- **Next:** [TextViewGenerator.HeaderFooterDeactivated Event](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-servervisualization/textviewgenerator/headerfooterdeactivated-event/llms-full.txt)