wxTextOutputStream& operator<<(const wxChar *string);
wxTextOutputStream& operator<<(const wxString& string);
wxTextOutputStream& operator<<(char c);
+#if wxUSE_UNICODE && wxWCHAR_T_IS_REAL_TYPE
+ wxTextOutputStream& operator<<(wchar_t wc);
+#endif // wxUSE_UNICODE
wxTextOutputStream& operator<<(wxInt16 c);
wxTextOutputStream& operator<<(wxInt32 c);
wxTextOutputStream& operator<<(wxUint16 c);