중복 실행 방지 방법 :: 전산쟁이의 카피질

출처 : http://www.wolfzone.co.kr/bbs/view.php?id=ncu_develop&page=4&sn1=&divpage=1&sn=off&ss=on&sc=on&select_arrange=headnum&desc=asc&no=3

Application에서 초기 실행되는 InitInstance() 함수에서 이미 실행중인지 체크해서 실행중이면 실행중인 프로그램에게 제어권을 넘겨주고, 실행중이 아닌경우에만 실행되도록 하는 부분이 되겠습니다.

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#define PROGRAM_TITLE "Wolf NCU Ver 2.0"
BOOL CRunnerApp::InitInstance()
{
// Standard initialization
// If you are not using these features and wish to reduce the size
// of your final executable, you should remove from the following
// the specific initialization routines you do not need.
CRunnerDlg dlg;
/* 원래 사용하던것
HWND hWnd = FindWindow(NULL, _T(PROGRAM_TITLE));
if(hWnd != NULL)
{
SetForegroundWindow(hWnd);
return TRUE;
}
*/
CWnd *pWndPrev, *pWndChild;
// 이번에 새로 붙인곳..
// Determine if a window with the programe title exists...
if (pWndPrev = CWnd::FindWindow(NULL, _T(PROGRAM_TITLE)))
{
// If so, does it have any popups?
pWndChild = pWndPrev->GetLastActivePopup();
// If iconic, restore the main window.
if (pWndPrev->IsIconic())
pWndPrev->ShowWindow(SW_RESTORE);
// Bring the main window or its popup to the foreground
pWndChild->SetForegroundWindow();
// and you are done activating the other application.
return TRUE;
}
m_pMainWnd = &dlg;
int nResponse = dlg.DoModal();
if (nResponse == IDOK)
{
// TODO: Place code here to handle when the dialog is
// dismissed with OK
}
else if (nResponse == IDCANCEL)
{
// TODO: Place code here to handle when the dialog is
// dismissed with Cancel
}
// Since the dialog has been closed, return FALSE so that we exit the
// application, rather than start the application's message pump.
return FALSE;
}

#define PROGRAM_TITLE "Wolf NCU Ver 2.0"

BOOL CRunnerApp::InitInstance()
{
        // Standard initialization
        // If you are not using these features and wish to reduce the size
        //  of your final executable, you should remove from the following
        //  the specific initialization routines you do not need.

        CRunnerDlg dlg;
/* 원래 사용하던것
        HWND hWnd = FindWindow(NULL, _T(PROGRAM_TITLE));
        if(hWnd != NULL)
        {
                SetForegroundWindow(hWnd);
                return TRUE;
        }
*/
        CWnd *pWndPrev, *pWndChild;

        // 이번에 새로 붙인곳..
        // Determine if a window with the programe title exists...
        if (pWndPrev = CWnd::FindWindow(NULL, _T(PROGRAM_TITLE)))
        {
                // If so, does it have any popups?
                pWndChild = pWndPrev->GetLastActivePopup();

                // If iconic, restore the main window.
                if (pWndPrev->IsIconic())
                pWndPrev->ShowWindow(SW_RESTORE);

                // Bring the main window or its popup to the foreground
                pWndChild->SetForegroundWindow();

                // and you are done activating the other application.
                return TRUE;
        }

        m_pMainWnd = &dlg;

        int nResponse = dlg.DoModal();
        if (nResponse == IDOK)
        {
                // TODO: Place code here to handle when the dialog is
                //  dismissed with OK
        }
        else if (nResponse == IDCANCEL)
        {
                // TODO: Place code here to handle when the dialog is
                //  dismissed with Cancel
        }

        // Since the dialog has been closed, return FALSE so that we exit the
        //  application, rather than start the application's message pump.
        return FALSE;
}