+ /**
+ Set the directory to show when starting to browse for directories.
+
+ This function is mostly useful for the directory picker controls which
+ have no selection initially to configure the directory that should be
+ shown if the user starts browsing for directories as otherwise the
+ initially selected directory is used, which is usually the desired
+ behaviour and so the directory specified by this function is ignored in
+ this case.
+
+ @since 2.9.4
+ */
+ void SetInitialDirectory(const wxString& dir);
+