bool CRegHistory::Save() const
{
if (m_sSection.empty())
return false;
// save history to registry
int nMax = min((int)m_arEntries.size(), m_nMaxHistoryItems + 1);
for (int n = 0; n < (int)m_arEntries.size(); n++)
{
TCHAR sKey[4096] = {0};
if (m_pIniFile)
{
_stprintf_s(sKey, _countof(sKey), _T("%s%d"), m_sKeyPrefix.c_str(), n);
m_pIniFile->SetValue(m_sSection.c_str(), sKey, m_arEntries[n].c_str());
}
else
{
_stprintf_s(sKey, _countof(sKey), _T("%s\\%s%d"), m_sSection.c_str(), m_sKeyPrefix.c_str(), n);
CRegStdString regkey(sKey);
regkey = m_arEntries[n];
}
}
// remove items exceeding the max number of history items
for (int n = nMax; ; n++)
{
TCHAR sKey[4096] = {0};
if (m_pIniFile)
{
_stprintf_s(sKey, _countof(sKey), _T("%s\\%s%d"), m_sSection.c_str(), m_sKeyPrefix.c_str(), n);
if (wcscmp(m_pIniFile->GetValue(m_sSection.c_str(), sKey, L""), L"")==0)
break;
m_pIniFile->Delete(m_sSection.c_str(), sKey, false);
}
else
{
_stprintf_s(sKey, _countof(sKey), _T("%s\\%s%d"), m_sSection.c_str(), m_sKeyPrefix.c_str(), n);
CRegStdString regkey = CRegStdString(sKey);
if (std::wstring(regkey).empty())
break;
regkey.removeValue(); // remove entry
}
}
return true;
}
