UNICODE字符和ASCII字符的转换

// Database object
HRESULT CDB::Read(short nTable, short nRow, LPWSTR lpszData) {
  CStringArray *pTable;
  pTable=(CStringArray*) m_arrTables[nTable];
#ifndef UNICODE
    MultiByteToWideChar(CP_ACP, 0, (*pTable)[nRow], -1, lpszData, 80);
#else
  lstrcpy (lpszData, (*pTable)[nRow]);
#endif
  return NO_ERROR;
}

HRESULT CDB::Write(short nTable, short nRow, LPCWSTR lpszData) {
  CStringArray *pTable;
  pTable=(CStringArray*) m_arrTables[nTable];
#ifdef UNICODE
  pTable->SetAtGrow(nRow, lpszData);
#else
    char szData[80];
    WideCharToMultiByte(CP_ACP, 0, lpszData, -1, szData, 80, NULL, NULL);
  pTable->SetAtGrow(nRow, szData);
#endif
  return NO_ERROR;
}