None
+\wxheading{Include files}
+
+<wx/wxexpr.h>
+
\wxheading{See also}
\helpref{wxExpr overview}{exproverview}, \helpref{wxExprDatabase}{wxexprdatabase}
\func{bool}{Write}{\param{ostream\& }{stream}}
+\func{bool}{Write}{\param{const wxString\&}{ filename}}
+
Writes the database as a Prolog-format file.