CXTPPropExchange faq
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Forum Name: Toolkit Pro
Forum Description: Topics Related to Codejock Toolkit Pro
URL: http://forum.codejock.com/forum_posts.asp?TID=9715
Printed Date: 19 June 2025 at 7:26am
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Topic: CXTPPropExchange faq
Posted By: jimmy
Subject: CXTPPropExchange faq
Date Posted: 27 February 2008 at 7:03am
Hello,
i use CXTPPropExchange function to save & store some data.
static void PropLOS2Data(CXTPPropExchange* pPX, SLOS2Data& ld)
{
CXTPPropExchangeSection secLD(pPX->GetSection("LOS2Data"));
PX_ULong(&secLD, _T("CRC"), ld.dwCRC, 0);
PX_ULong(&secLD, _T("LenData"), ld.dwLenData, 0);
// ??? PX_CharBuffer(&secLD, _T("PasswordOnline"), ld.szPasswordOnline, "");
}
With this function i save/load some data from a struct.
DWORD, int values are no problem.
#define MAX_PASSWORD 19
struct SLOS2Data
{
ULONG dwCRC;
ULONG dwLenData;
char szPassword[MAX_PASSWORD + 1];
}
But how can i save/load szPassword ?
The szPassword is always \0 terminated.
I have wrote this template, but how can i save/load it ?
Or is there a other nice solution ?
template<class TYPE> BOOL PX_CharBuffer(CXTPPropExchange* pPX, LPCTSTR pszPropName, TYPE& szBuf, LPCTSTR lpDefault)
{
int iBufSize = sizeof(szBuf);
// DWORD nBytes = iBufSize;
// return PX_Blob(pPX, pszPropName, szBuf, nBytes);
}
Jimmy
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Replies:
Posted By: jimmy
Date Posted: 27 February 2008 at 7:31am
Is this a correct way ?
template<class TYPE> void CharBufCpy(TYPE& szBuf, const CString& lpText)
{
int iSize = sizeof(szBuf) - 1;
memset(szBuf, 0, iSize + 1);
int iLenText = lpText.GetLength();
if (iLenText > iSize)
iLenText = iSize;
strncpy(szBuf, lpText, iLenText);
}
template<class TYPE> BOOL PX_CharBuffer(CXTPPropExchange* pPX, LPCTSTR pszPropName, TYPE& szBuf, LPCTSTR lpDefault)
{
if (pPX->IsStoring())
{
CString strVal(szBuf);
return PX_String(pPX, pszPropName, strVal);
}
else
{
CString strVal;
BOOL bOk = PX_String(pPX, pszPropName, strVal, lpDefault);
if (bOk)
CharBufCpy(szBuf, strVal);
return bOk;
}
}
Jimmy
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Posted By: Oleg
Date Posted: 27 February 2008 at 1:40pm
|
Hi,
Maybe easy to change "char szPassword" to "CString strPassword" in struct ?
:)
-------------
Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS
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Posted By: jimmy
Date Posted: 28 February 2008 at 3:09am
No, because the struct is a binary mapping of a file.
Jimmy
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