This function does directory searching; returns the first file
that matches the path {\it spec}, or the empty string. Use \helpref{wxFindNextFile}{wxfindnextfile} to
-get the next matching file.
+get the next matching file. Neither will report the current directory "." or the
+parent directory "..".
{\it spec} may contain wildcards.
-{\it flags} is reserved for future use.
+{\it flags} may be wxDIR for restricting the query to directories, wxFILE for files or zero for either.
For example: