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Visual C++多线程DAO处理
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{
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());
if (pApp->pGUIThread == AfxGetThread())
{
return CDaoRecordset::GetBookmark();
}
else
{
return AfxGetMainWnd()->SendMessage(WM_MULTIDAOMESSAGE, MultiDaoGetBookmark,
(LPARAM)this);
}
}

void CMultiDaoRecordSet::SetBookmark(COleVariant varBookmark)
{
CMYApp *pApp = ((CMYApp *)AfxGetApp());
if (pApp->pGUIThread == AfxGetThread())
{
CDaoRecordset::SetBookmark(varBookmark);
}
else
{
pParam1 = (void *)&varBookmark;
AfxGetMainWnd()->SendMessage(WM_MULTIDAOMESSAGE, MultiDaoSetBookmark,
(LPARAM)this);
}
}

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

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

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

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

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

void C
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