Windows2000/private/shell/shell32/rscchvr.cpp
2020-09-30 17:12:32 +02:00

75 lines
1.3 KiB
C++

#include "shellprv.h"
#pragma hdrstop
#include "rscchvr.h"
void CRSCacheVersion::_RSCVUpdateVersionOnCacheRead()
{
DWORD dwVersion;
if (RSGetDWORDValue(_pszSubKey, TEXT("Version"), &dwVersion))
{
_dwVersion = dwVersion;
}
else
{
_dwVersion = 0;
RSSetDWORDValue(_pszSubKey, TEXT("Version"), _dwVersion);
}
}
void CRSCacheVersion::_RSCVUpdateVersionOnCacheWrite()
{
DWORD dwVersion;
if (RSGetDWORDValue(_pszSubKey, TEXT("Version"), &dwVersion))
{
_dwVersion = dwVersion + 1;
}
else
{
_dwVersion = 0;
}
RSSetDWORDValue(_pszSubKey, TEXT("Version"), _dwVersion);
}
BOOL CRSCacheVersion::_RSCVIsValidVersion()
{
DWORD dwVersion;
BOOL fRet = FALSE;
if (RSGetDWORDValue(_pszSubKey, TEXT("Version"), &dwVersion))
{
if (_dwVersion == dwVersion)
{
fRet = TRUE;
}
}
return fRet;
}
void CRSCacheVersion::_RSCVIncrementRegVersion()
{
DWORD dwVersion;
_RSCVDeleteRegCache();
if (RSGetDWORDValue(_pszSubKey, TEXT("Version"), &dwVersion))
{
++dwVersion;
RSSetDWORDValue(_pszSubKey, TEXT("Version"), dwVersion);
}
}
void CRSCacheVersion::RSCVInitSubKey(LPCTSTR pszSubKey)
{
_pszSubKey = pszSubKey;
}
LPCTSTR CRSCacheVersion::RSCVGetSubKey()
{
return _pszSubKey;
}