+{\bf NB:} Previous versions of wxWindows used {\tt wxCHANGE\_DIR} by default
+under MS Windows which allowed the program to simply remember the last
+directory where user selected the files to open/save. This (desired)
+functionality must be implemented in the program itself now (manually remember
+the last path used and pass it to the dialog the next time it is called) or
+by using this flag.
+