# AcroForms.FormRadioButton Class

> The FormRadioButton class implements the Adobe PDF AcroForms radio button field.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Class
- **Introduced:** 29.0
- **Namespace:** `TXTextControl.DocumentServer.PDF.AcroForms`
- **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
- **Inherits:** `TXTextControl.DocumentServer.PDF.AcroForms.FormField` › `TXTextControl.DocumentServer.PDF.AcroForms.FormCheckBox`
- **Path:** TX Text Control .NET Server > Reference > TXTextControl.DocumentServer.PDF > AcroForms.FormRadioButton Class
- **633 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-documentserver-pdf/acroforms-formradiobutton/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-documentserver-pdf/acroforms-formradiobutton/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-documentserver-pdf/acroforms-formradiobutton/llms-full.txt

---

### Description

The FormRadioButton class implements the Adobe PDF AcroForms radio button field.

### Syntax

```csharp
public class FormRadioButton : FormCheckBox
```

```vbnet
Public Class FormRadioButton
    Inherits FormCheckBox
```

### Examples

The following example creates a Form Radio Button instance and configures its is checked setting for a document workflow.

```csharp
TXTextControl.DocumentServer.PDF.AcroForms.FormRadioButton formRadioButton = new(new TXTextControl.DocumentServer.PDF.AcroForms.FormField());
formRadioButton.IsChecked = true;
```

```vbnet
Dim formRadioButton As New TXTextControl.DocumentServer.PDF.AcroForms.FormRadioButton(New TXTextControl.DocumentServer.PDF.AcroForms.FormField())
formRadioButton.IsChecked = True
```

---

## In This Section

- [AcroForms.FormRadioButton Constructor](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-documentserver-pdf/acroforms-formradiobutton/constructor/llms-full.txt): Initializes a new instance of the FormRadioButton class.

---

## Nearby

- **Previous:** [AcroForms.FormListBox Constructor](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-documentserver-pdf/acroforms-formlistbox/constructor/llms-full.txt)
- **Next:** [AcroForms.FormRadioButton Constructor](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-documentserver-pdf/acroforms-formradiobutton/constructor/llms-full.txt)