# errordlg

Creates a error dialog box.

## 📝 Syntax

* h = errordlg()
* h = errordlg(text\_error)
* h = errordlg(text\_error, title)
* h = errordlg(text\_error, title, mode)

## 📥 Input argument

* text\_error - a string or a cell of string: the error message.
* title - a string: the title of the dialog box.
* mode - a string: 'mode', 'non-modal', 'replace'.

## 📤 Output argument

* h - a QObject handle.

## 📄 Description

errordlg creates an error dialog box.

h = errordlg(text\_error, title, 'replace') specifies whether to replace an existing dialog box having the same title.

![](https://160667757-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LdPvJ6mJve3gz5MU4d1%2F-LdPvK9haEDKz9dfjFOh%2F-LdPvraFGBDLd-UeO8fg%2Ferrordlg_1_E21703F7.png?generation=1556303806651375\&alt=media)

## 💡 Examples

```matlab
h = errordlg()
```

```matlab
h = errordlg('error string')
```

```matlab
h = errordlg('error string', 'dialog title')
```

```matlab
h = errordlg('error string', 'dialog title')
h = errordlg('error string', 'dialog title', 'on')
```

## 🔗 See also

[warndlg](https://nelson-9.gitbook.io/Nelson/markdown/en/gui/warndlg), [questdlg](https://nelson-9.gitbook.io/Nelson/markdown/en/gui/questdlg), [helpdlg](https://nelson-9.gitbook.io/Nelson/markdown/en/gui/helpdlg), [msgbox](https://nelson-9.gitbook.io/Nelson/markdown/en/gui/msgbox).

## 🕔 History

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