Hi everyone!
I met no problem with win32 console application,but when it turn to MFC
in Visual C++,the same code dosen't work.
Anyone can give me some suggestion?
Thanks in advance!
*The error is:*
Unhandeled exception in xxx.exe(sqlite3.dll)0xC0000005 Access Violation
*More output:*
Loaded 'ntdll.dll', no matching symbolic information found.
Loaded 'C:\WINDOWS\system32\kernel32.dll', no matching symbolic
information found.
Loaded symbols for 'C:\WINDOWS\system32\MFC42D.DLL'
Loaded symbols for 'C:\WINDOWS\system32\MSVCRTD.DLL'
Loaded 'C:\WINDOWS\system32\gdi32.dll', no matching symbolic information
found.
Loaded 'C:\WINDOWS\system32\user32.dll', no matching symbolic
information found.
Loaded symbols for 'C:\WINDOWS\system32\MFCO42D.DLL'
Loaded 'G:\MFC\复件 SenateSystem\Debug\sqlite3.dll', no matching
symbolic information found.
Loaded 'C:\WINDOWS\system32\msvcrt.dll', no matching symbolic
information found.
Loaded 'C:\WINDOWS\system32\imm32.dll', no matching symbolic information
found.
Loaded 'C:\WINDOWS\system32\advapi32.dll', no matching symbolic
information found.
Loaded 'C:\WINDOWS\system32\rpcrt4.dll', no matching symbolic
information found.
Loaded 'C:\WINDOWS\system32\secur32.dll', no matching symbolic
information found.
Loaded 'C:\WINDOWS\system32\lpk.dll', no matching symbolic information
found.
Loaded 'C:\WINDOWS\system32\usp10.dll', no matching symbolic information
found.
Loaded 'C:\WINDOWS\system32\mfc42loc.dll', no matching symbolic
information found.
Loaded 'C:\WINDOWS\system32\uxtheme.dll', no matching symbolic
information found.
Loaded 'C:\WINDOWS\system32\MSCTF.dll', no matching symbolic information
found.
Loaded 'C:\WINDOWS\system32\version.dll', no matching symbolic
information found.
Loaded 'C:\WINDOWS\system32\msctfime.ime', no matching symbolic
information found.
Loaded 'C:\WINDOWS\system32\ole32.dll', no matching symbolic information
found.
Loaded 'C:\WINDOWS\system32\comctl32.dll', no matching symbolic
information found.
First-chance exception in SenateSystem.exe (SQLITE3.DLL): 0xC0000005:
Access Violation.
*The following is my code:
//access violation happened at here
*void CMainView::myUpdateView()
{
CSenateSystemDoc* pDoc = GetDocument();
sqlite3_exec(pDoc->*m_db*,"select * from table1",
sqlCallback_UpdateList, 0, &(pDoc->*m_pErrMsg*));
//The database *has been connected* before this line runs
}
*//declaration of m_db and m_pErrMsg
*class CSenateSystemDoc : public CDocument
{
...
...
public:
bool bLoggedIn;
bool m_dbConnected;
sqlite3 * m_db;
char * m_pErrMsg;
CString m_strSQL;
...
...
*//CALL BACK FUNCTION*
int CMainView::sqlCallback_UpdateList(void * notused, int argc, char **
argv, char ** szColName)
{
... //These lines have nothing to do with access violation
... //,since my program crashed before it went to the breakpoint I set here
return 0;
}
*//declaration of the callback function*
class CMainView : public CListView
{
protected:
...
...
static int sqlCallback_UpdateList(void * notused, int argc, char **
argv, char ** szColName);
...
...
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