// converts from/to a stream to/from a temporary file.
bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxOutputStream& stream);
bool WXDLLEXPORT wxTransferStreamToFile(wxInputStream& stream, const wxString& filename);
// converts from/to a stream to/from a temporary file.
bool WXDLLEXPORT wxTransferFileToStream(const wxString& filename, wxOutputStream& stream);
bool WXDLLEXPORT wxTransferStreamToFile(wxInputStream& stream, const wxString& filename);