Set default file for gnc:file-selection-dialog?

[Richard -Gilligan- Uschold]

I'm working on a tax report and a TXF file export report.  When I use the gnc:file-selection-dialog to get a file name, the default file is displayed s the file that gnucash has open, containing all of the users financial data.  This also happens when the "Export" button on any report is clicked.  It would ba s BAD THING if a user accidentally clicked OK and overwrote all of his financial data with some small report.

 Is there a way to change the default file that is displayed?
 

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