# DataSourceManager.IsMergingPossibleChanged Event

> Is fired when the value of the IsMergingPossible property changes.

- **Product:** TX Text Control .NET for WPF
- **Section:** Reference
- **Kind:** Event
- **Introduced:** 24.0
- **Namespace:** `TXTextControl.DocumentServer.DataSources`
- **Package:** `TXTextControl.TextControl.WPF.SDK` (assembly `TXDocumentServer.dll`, from the private NuGet feed or Text Control Offline Packages)
- **.NET Framework:** reference `TXDocumentServer.dll` from the setup
- **Path:** TX Text Control .NET for WPF > Reference > TXTextControl.DocumentServer.DataSources > DataSourceManager.IsMergingPossibleChanged Event
- **324 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-datasources/datasourcemanager/ismergingpossiblechanged-event/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-datasources/datasourcemanager/ismergingpossiblechanged-event/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-datasources/datasourcemanager/ismergingpossiblechanged-event/llms-full.txt

---

### Description

Is fired when the value of the [IsMergingPossible](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-datasources/datasourcemanager/ismergingpossible-property/llms-full.txt) property changes.

### Syntax

```csharp
public event EventHandler IsMergingPossibleChanged;
```

```vbnet
Public Event IsMergingPossibleChanged As EventHandler
```

### Examples

The following example records useful context when is merging possible changed occurs.

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

```vbnet
AddHandler dataSourceManager.IsMergingPossibleChanged,
    Sub(sender, e)
        Console.WriteLine($"Is Merging Possible Changed at {DateTime.Now:u}")
    End Sub
```

---

## Nearby

- **Previous:** [DataSourceManager.IsMergingPossible Property](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-datasources/datasourcemanager/ismergingpossible-property/llms-full.txt)
- **Next:** [DataSourceManager.LoadAssembly Method](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-documentserver-datasources/datasourcemanager/loadassembly-method/llms-full.txt)