# TXDrawingCore.Changed Event

> Indicates that the number or formatting of the displayed shapes has been changed. The event handler receives an argument of type EventArgs.

- **Product:** TX Text Control .NET for Windows Forms
- **Section:** Reference
- **Kind:** Event
- **Introduced:** 33.0
- **Namespace:** `TXTextControl.Drawing`
- **Package:** `TXTextControl.TextControl.WinForms.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 for Windows Forms > Reference > TXTextControl.Drawing > TXDrawingCore.Changed Event
- **307 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-drawing/txdrawingcore/changed-event/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-drawing/txdrawingcore/changed-event/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-drawing/txdrawingcore/changed-event/llms-full.txt

---

### Description

Indicates that the number or formatting of the displayed [shapes](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-drawing/txdrawingcore/shapes-property/llms-full.txt) has been changed. The event handler receives an argument of type EventArgs.

### Syntax

```csharp
public event EventHandler Changed;
```

```vbnet
Public Event Changed As EventHandler
```

### Examples

The following example records useful context when changed occurs.

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

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

---

## Nearby

- **Previous:** [TXDrawingCore.CanUndo Property](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-drawing/txdrawingcore/canundo-property/llms-full.txt)
- **Next:** [TXDrawingCore.ClearUndo Method](https://docs.textcontrol.com/tx-text-control-dotnet-winforms/reference/txtextcontrol-drawing/txdrawingcore/clearundo-method/llms-full.txt)