Applies to: PrintPreview, IPrinterEx object
  Return Type:   |   None.   |
  | |
  No parameters.   |
Deletes all the reports user preferences that were previously saved for all the application.
Note:
The custom styles (GridReportStyle) that the user saved are not deleted.
You can delete them with this code:
Dim Style As GridReportStyle For Each Style In PrintPreview1.GridReportStyles If Style.Custom Then PrintPreview1.GridReportStyles.Remove Style End If Next