# QObject\_used

Returns list of current used QObject handle.

## Syntax

* r = QObject\_used()

## Output argument

* h - a vector of QObject handle.

## Description

Returns list of current used QObject handle.

## See also

[QObject\_set (set)](qobject_set), [QObject\_get (get)](qobject_get).

## Example

```matlab
h1 = errordlg()
h2 = errordlg()
h3 = errordlg()
used = QObject_used()delete(used)
used = QObject_used()
delete(used)
used = QObject_used()
```

## History

| Version | Description     |
| ------- | --------------- |
| 1.0.0   | initial version |

## Author

Allan CORNET
