# MailMerge.FormFieldMergedEventArgs.NestingDepth Property

> If the form field is part of a merge block, this property returns the one-based nesting depth of the block. Otherwise 0 is returned.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Property
- **Introduced:** 30.0
- **Namespace:** `TXTextControl.DocumentServer`
- **Package:** `TXTextControl.TextControl.Core.SDK` (assembly `TXDocumentServer.Core.dll`, from the private NuGet feed or Text Control Offline Packages)
- **Package:** `TXTextControl.TextControl.ASP.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 Server > Reference > TXTextControl.DocumentServer > MailMerge.FormFieldMergedEventArgs.NestingDepth Property
- **326 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-documentserver/mailmerge-formfieldmergedeventargs/nestingdepth-property/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-documentserver/mailmerge-formfieldmergedeventargs/nestingdepth-property/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-documentserver/mailmerge-formfieldmergedeventargs/nestingdepth-property/llms-full.txt

---

### Description

If the form field is part of a merge block, this property returns the one-based nesting depth of the block. Otherwise 0 is returned.

### Syntax

```csharp
public int NestingDepth { get; }
```

```vbnet
Public ReadOnly Property NestingDepth As Integer
```

### Examples

The following example includes the nesting depth value in application diagnostics. The created object is then available to the surrounding document workflow.

```csharp
Console.WriteLine($"Nesting Depth: {formFieldMergedEventArgs.NestingDepth}");
Console.WriteLine("Form Field Merged Event Args is ready for use.");
```

```vbnet
Console.WriteLine($"Nesting Depth: {formFieldMergedEventArgs.NestingDepth}")
Console.WriteLine("Form Field Merged Event Args is ready for use.")
```

### Limitations

Read only.

---

## Nearby

- **Previous:** [MailMerge.FormFieldMergedEventArgs.Merged Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-documentserver/mailmerge-formfieldmergedeventargs/merged-property/llms-full.txt)
- **Next:** [MailMerge.FormFieldMergedEventArgs.SubTextPartID Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-documentserver/mailmerge-formfieldmergedeventargs/subtextpartid-property/llms-full.txt)