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

# XmDropSiteUnregister(3)

A Drag and Drop function that frees drop site information

## NAME

**XmDropSiteUnregister** — A Drag and Drop function that frees drop site information

## SYNOPSIS

```
#include <Xm/DragDrop.h>
void XmDropSiteUnregister(
Widget widget);
```

## DESCRIPTION

**XmDropSiteUnregister** informs the toolkit that the specified widget is no longer a registered drop site. The function frees all associated drop site information.

- *widget*

  Specifies the ID of the widget, registered as a drop site, that is to be unregistered

For a complete definition of DropSite and its associated resources, see [**XmDropSite**(3)](/XmDropSite/3.md).

## RELATED

[**XmDropSite**(3)](/XmDropSite/3.md) and [**XmDropSiteRegister**(3)](/XmDropSiteRegister/3.md).