Exception Message Box Reference
The exception message box is implemented by the ExceptionMessageBox class in the Microsoft.ExceptionMessageBox.dll assembly. The default installation directory for this assembly is C:\Program Files\Microsoft SQL Server\90\SDK. The exception message box is documented in the Microsoft.SqlServer.ExceptionMessageBox namespace reference documentation. The following Microsoft SQL Server 2000 samples use the ExceptionMessageBox object during exception handling.
See Also
Tasks
How to: Program Exception Message Box