with default value of this argument the data written to the stream must
be valid UTF-8, pass @c wxConvISO8859_1 to deal with arbitrary 8 bit data.
*/
- wxStringOutputStream(wxString str = NULL, wxMBConv& conv = wxConvUTF8);
+ wxStringOutputStream(wxString* pString = 0, wxMBConv& conv = wxConvUTF8);
/**
Returns the string containing all the data written to the stream so far.