+ wxString filemask = wxString(
+ _("HTML files (*.html;*.htm)|*.html;*.htm|")) +
+ _("Help books (*.htb)|*.htb|Help books (*.zip)|*.zip|") +
+ _("HTML Help Project (*.hhp)|*.hhp|") +
+#if wxUSE_LIBMSPACK
+ _("Compressed HTML Help file (*.chm)|*.chm|") +
+#endif
+ _("All files (*.*)|*");