# TXDrawingCore.ViewChanged Event

> Occurs selection changing have caused the view to change. The event handler receives an argument of type ViewChangedEventArgs containing data related to this event.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Event
- **Introduced:** 33.0
- **Namespace:** `TXTextControl.Drawing`
- **Package:** `TXTextControl.TextControl.Core.SDK` (assembly `TXDrawing.dll`, from the private NuGet feed or Text Control Offline Packages)
- **Package:** `TXTextControl.TextControl.ASP.SDK` (assembly `TXDrawing.dll`, from the private NuGet feed or Text Control Offline Packages)
- **.NET Framework:** reference `TXDrawing.dll` from the setup
- **Path:** TX Text Control .NET Server > Reference > TXTextControl.Drawing > TXDrawingCore.ViewChanged Event
- **319 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-drawing/txdrawingcore/viewchanged-event/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-drawing/txdrawingcore/viewchanged-event/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-drawing/txdrawingcore/viewchanged-event/llms-full.txt

---

### Description

Occurs selection changing have caused the view to change. The event handler receives an argument of type [ViewChangedEventArgs](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-drawing/viewchangedeventargs/llms-full.txt) containing data related to this event.

### Syntax

```csharp
public event ViewChangedEventHandler ViewChanged;
```

```vbnet
Public Event ViewChanged As ViewChangedEventHandler
```

### Examples

The following example records useful context when view changed occurs.

```csharp
tXDrawingCore.ViewChanged += (sender, e) =>
{
    Console.WriteLine($"View Changed at {DateTime.Now:u}");
};
```

```vbnet
AddHandler tXDrawingCore.ViewChanged,
    Sub(sender, e)
        Console.WriteLine($"View Changed at {DateTime.Now:u}")
    End Sub
```

---

## Nearby

- **Previous:** [TXDrawingCore.Undo Method](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-drawing/txdrawingcore/undo-method/llms-full.txt)
- **Next:** [ViewChangedEventArgs Class](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-drawing/viewchangedeventargs/llms-full.txt)