---
name: "XmComboBoxUpdate"
section: "3"
platform: "linux"
package: "openmotif"
version: "2.3.8-4"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/XmComboBoxUpdate"
---

# XmComboBoxUpdate(3)

A ComboBox function that resynchronizes data

## NAME

**XmComboBoxUpdate** — A ComboBox function that resynchronizes data

## SYNOPSIS

```
#include <Xm/ComboBox.h>
void XmComboBoxUpdate(
Widget widget);
```

## DESCRIPTION

**XmComboBoxUpdate** resynchronizes the internal data structures of a specified ComboBox widget. This function is useful when an application manipulates ComboBox's child widgets, possibly changing data structures. For example, you might want to use the **XmComboBoxUpdate** function after a ComboBox List child selection has been changed without notification.

- *widget*

  Specifies the ComboBox widget ID.

## RELATED INFORMATION

[**XmComboBox**(3)](/XmComboBox/3.md).