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**MessageBox( **[ //level //], //txt//, [//caption//], [//icon//], //buttons//, //default button//, //style //**), VIRTUAL, PROTECTED**

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| **MessageBox** | A simple MESSAGE() window to display error. |
| //level// | The default error level is Level:Benign. |
| txt | A string constant, variable, EQUATE, or expression that contains the error message text to display in the message box. |
| //caption// | A string constant, variable, EQUATE, or expression that specifies the message box window caption. |
| //icon// | An integer constant, variable, EQUATE, or expression that indicates the icon to display on the message box. |
| //buttons// | An integer constant, variable, EQUATE, or expression that indicates which Windows standard buttons to place on the message box. This may indicate multiple buttons. If omitted this is equivalent to Button:OK. |
| //default button// | An integer constant, variable, EQUATE, or expression that indicates the default button on the message box. |
| style | An integer constant, variable, EQUATE, or expression that indicates the font style to use withing the lixt control on the message box dialog.buttons |

The **MessageBox** method implements a simple MESSAGE() dialog to display the error message to the window. This can be called independently. It is also used if the ErrorClass is configured to not have a HistoryThreshold.

**Return Data Type:**     LONG