# FormCheckStateChanged Event

> Occurs when the check state of a checkbox form field in the TXTextControl has been changed; passes the FieldId and updates the FieldCurrent property with it.

- **Product:** TX Text Control ActiveX
- **Section:** Documentation
- **Kind:** Event
- **Path:** TX Text Control ActiveX > API Reference > TXTextControl > FormCheckStateChanged Event
- **181 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-activex/reference/txtextcontrol/formcheckstatechanged-event/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-activex/reference/txtextcontrol/formcheckstatechanged-event/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-activex/reference/txtextcontrol/formcheckstatechanged-event/llms-full.txt

---

Occurs when the check state of a checkbox has been changed.

Introduced: 28.0.

### Syntax

```vbscript
FormCheckStateChanged(FieldId)
```

### Parameters

| Parameter | Description |
|---|---|
| FieldId | Is the identifier of the checkbox field that has been changed. |

### Data Types

| Name | Data type |
|---|---|
| FieldId | Integer |

### Remarks

The value of the [FieldCurrent](https://docs.textcontrol.com/tx-text-control-activex/reference/txtextcontrol/fieldcurrent-property/llms-full.txt) property is updated with the value given through the FieldId parameter.

### See Also

- [FormCheckBoxInsert Method](https://docs.textcontrol.com/tx-text-control-activex/reference/txtextcontrol/formcheckboxinsert-method/llms-full.txt)
- [Programming Category: Form Fields](https://docs.textcontrol.com/tx-text-control-activex/reference/categories/form-fields/llms-full.txt)

---

## Nearby

- **Previous:** [FormCheckBoxInsert Method](https://docs.textcontrol.com/tx-text-control-activex/reference/txtextcontrol/formcheckboxinsert-method/llms-full.txt)
- **Next:** [FormComboBoxInsert Method](https://docs.textcontrol.com/tx-text-control-activex/reference/txtextcontrol/formcomboboxinsert-method/llms-full.txt)