2Â¥: Originally posted by jmck99 at 2012-10-04 02:19:20
°Ñ¹¤³Ì2д³Édll

5Â¥: Originally posted by anntoy at 2012-10-05 00:19:39
Óõ½µÄAPI
    HANDLE OpenMutex(

    DWORD dwDesiredAccess,        // access flag
    BOOL bInheritHandle,        // inherit flag
    LPCTSTR lpName         // pointer to mutex-object name
   );

HANDLE Create ...

6Â¥: Originally posted by С¿ìÀÖС֪×ã at 2012-10-05 10:52:55
ÎÒ²»Ôõô»áÓÃÕâ¸ö?ÄÜÂé·³Äã˵ϸһµãÂð?ллÁË!!!!!...

5Â¥: Originally posted by anntoy at 2012-10-05 00:19:39
Óõ½µÄAPI
    HANDLE OpenMutex(

    DWORD dwDesiredAccess,        // access flag
    BOOL bInheritHandle,        // inherit flag
    LPCTSTR lpName         // pointer to mutex-object name
   );

HANDLE Create ...

8Â¥: Originally posted by С¿ìÀÖС֪×ã at 2012-10-05 18:31:47
ÎÒ²»Ôõô»áÓÃÕâ¸ö?ÄÜÂé·³Äã˵ϸһµãÂð?ллÁË!!!!!
²¹³ä:ÎÒ½¨µÄÁ½¸ö¹¤³Ì¶¼ÊÇ"MFC AppWizard(exe)"...

8Â¥: Originally posted by С¿ìÀÖС֪×ã at 2012-10-05 18:31:47
ÎÒ²»Ôõô»áÓÃÕâ¸ö?ÄÜÂé·³Äã˵ϸһµãÂð?ллÁË!!!!!
²¹³ä:ÎÒ½¨µÄÁ½¸ö¹¤³Ì¶¼ÊÇ"MFC AppWizard(exe)"...

class CADlg : public CDialog
{
// Construction
public:
        CADlg(CWnd* pParent = NULL);        // standard constructor
        HANDLE mutexhandle;

void CADlg::OnDestroy()
{
        CDialog::OnDestroy();
        CloseHandle(mutexhandle);/*ÕâÐÐÊÇÔö¼ÓµÄ£¬Í˳öµÄʱºò¹Ø±Õ¾ä±ú*/
        // TODO: Add your message handler code here
}

BOOL CADlg::OnInitDialog()
{
        CDialog::OnInitDialog();
        /*´Ë´¦Ê¡ÂÔÒ»²¿·Ö´úÂ룬ÏÂÃæÄÇÐÐÊÇÌí¼ÓµÄ£¬³ÌÐò³õʼ»¯µÄʱºò£¬³õʼ»¯ÄǸömutex*/
        // TODO: Add extra initialization here
        mutexhandle = CreateMutex(NULL,TRUE,"MyMutex");

        return TRUE;  // return TRUE  unless you set the focus to a control
}

void CADlg::OnButton1()
{
        // TODO: Add your control notification handler code here
        WinExec("b.exe",SW_SHOW        );
}

BOOL CBDlg::OnInitDialog()
{
        /*Ê¡ÂÔ²¿·Ö´úÂ룬ÏÂÃæÊdzõʼ»¯µÄʱºò£¬ÅжÏÓÐûÓб»´´½¨¹ýmutex£¬Èç¹û»¹Ã»ÓУ¬¾ÍÍ˳ö*/
        // TODO: Add extra initialization here
        int ret;
        HANDLE h;
        h = CreateMutex(NULL,FALSE,"MyMutex");
        ret = GetLastError();
        CloseHandle(h);
        if(ERROR_ALREADY_EXISTS != ret)
                ExitProcess(0);
        return TRUE;  // return TRUE  unless you set the focus to a control
}