nsString str; str.AssignWithConversion(aStr);
nsEmbedString str; NS_CStringToUTF16(nsEmbedCString(aStr), NS_CSTRING_ENCODING_ASCII, str);
static PRUnichar* GetUnicodeFromCString(const CString& aStr){#ifdef _UNICODE    nsString str(aStr);#else    nsString str; str.AssignWithConversion(aStr);#endif    return ToNewUnicode(str);}