VisualC 多线程DAO处理

short CMultiDaoRecordSet::GetEditMode()
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
return CDaoRecordset::GetEditMode();
}
else
{
return (short)AfxGetMainWnd()->
SendMessage(WM_MULTIDAOMESSAGE, MultiDaoGetEditMode, (LPARAM)this);
}
}

CString CMultiDaoRecordSet::GetSQL()
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
return CDaoRecordset::GetSQL();
}
else
{
return (CString)*(CString *)AfxGetMainWnd()->
SendMessage(WM_MULTIDAOMESSAGE, MultiDaoGetSQL, (LPARAM)this);
}
}

COleVariant CMultiDaoRecordSet::GetLastModifiedBookmark()
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
return CDaoRecordset::GetLastModifiedBookmark();
}
else
{
return (COleVariant)AfxGetMainWnd()->
SendMessage(WM_MULTIDAOMESSAGE, MultiDaoGetLastModifiedBookmark, (LPARAM)this);
}
}

long CMultiDaoRecordSet::GetRecordCount()
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
return CDaoRecordset::GetRecordCount();
}
else
{
return (long)AfxGetMainWnd()->
SendMessage(WM_MULTIDAOMESSAGE, MultiDaoGetRecordCount, (LPARAM)this);
}
}

void CMultiDaoRecordSet::MoveNext()
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
CDaoRecordset::MoveNext();
}
else
{
AfxGetMainWnd()->SendMessage(WM_MULTIDAOMESSAGE, MultiDaoMoveNext,
(LPARAM)this);
}
}

void CMultiDaoRecordSet::MovePrev()
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
CDaoRecordset::MovePrev();
}
else
{
AfxGetMainWnd()->SendMessage(WM_MULTIDAOMESSAGE, MultiDaoMovePrev,
(LPARAM)this);
}
}

void CMultiDaoRecordSet::MoveFirst()
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
CDaoRecordset::MoveFirst();
}
else
{
AfxGetMainWnd()->SendMessage(WM_MULTIDAOMESSAGE, MultiDaoMoveFirst,
(LPARAM)this);
}
}

void CMultiDaoRecordSet::MoveLast()
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
CDaoRecordset::MoveLast();
}
else
{
AfxGetMainWnd()->SendMessage(WM_MULTIDAOMESSAGE, MultiDaoMoveLast,
(LPARAM)this);
}
}

void CMultiDaoRecordSet::Move(long lRows)
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
CDaoRecordset::Move(lRows);
}
else
{
pParam1 = (void *)&lRows;
AfxGetMainWnd()->SendMessage(WM_MULTIDAOMESSAGE, MultiDaoMove,
(LPARAM)this);
}
}

BOOL CMultiDaoRecordSet::FindNext(LPCTSTR lpszFilter)
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
return CDaoRecordset::FindNext(lpszFilter);
}
else
{
pParam1 = (void *)lpszFilter;
return (BOOL)AfxGetMainWnd()->SendMessage(WM_MULTIDAOMESSAGE, MultiDaoFindNext,
(LPARAM)this);
}
}

BOOL CMultiDaoRecordSet::FindPrev(LPCTSTR lpszFilter)
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
return CDaoRecordset::FindPrev(lpszFilter);
}
else
{
pParam1 = (void *)lpszFilter;
return (BOOL)AfxGetMainWnd()->SendMessage(WM_MULTIDAOMESSAGE, MultiDaoFindPrev,
(LPARAM)this);
}
}

BOOL CMultiDaoRecordSet::FindFirst(LPCTSTR lpszFilter)
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
return CDaoRecordset::FindFirst(lpszFilter);
}
else
{
pParam1 = (void *)lpszFilter;
return (BOOL)AfxGetMainWnd()->SendMessage(WM_MULTIDAOMESSAGE, MultiDaoFindFirst,
(LPARAM)this);
}
}

BOOL CMultiDaoRecordSet::FindLast(LPCTSTR lpszFilter)
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
return CDaoRecordset::FindLast(lpszFilter);
}
else
{
pParam1 = (void *)lpszFilter;
return (BOOL)AfxGetMainWnd()->SendMessage(WM_MULTIDAOMESSAGE, MultiDaoFindLast,
(LPARAM)this);
}
}

BOOL CMultiDaoRecordSet::Find(long lFindType, LPCTSTR lpszFilter)
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
return CDaoRecordset::Find(lFindType, lpszFilter);
}
else
{
pParam1 = (void *)&lFindType;
pParam2 = (void *)lpszFilter;
return (BOOL)AfxGetMainWnd()->SendMessage(WM_MULTIDAOMESSAGE, MultiDaoFind,
(LPARAM)this);
}
}

COleVariant CMultiDaoRecordSet::GetBookmark()
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());

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