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Detecting an Internet Connection
Message
De
10/01/2002 17:35:13
 
 
À
10/01/2002 12:26:32
Information générale
Forum:
Visual FoxPro
Catégorie:
Applications Internet
Divers
Thread ID:
00602563
Message ID:
00603218
Vues:
29
This is suppppperrr greattttt...


>Wow! This is great!
>Thank you very much.
>Winn
>
>>Winn the return value is a combinnation of values in your case means that that you are connectin over a lan you have a proxy you have ras installed and the connection is configured.
>>see the following example uou can copy this code put on a prg an run it.
>>
>>#DEFINE INTERNET_CONNECTION_MODEM        1
>>#DEFINE INTERNET_CONNECTION_LAN          2
>>#DEFINE INTERNET_CONNECTION_PROXY        4
>>#DEFINE INTERNET_CONNECTION_MODEM_BUSY   8
>>#DEFINE INTERNET_RAS_INSTALLED          16
>>#DEFINE INTERNET_CONNECTION_OFFLINE     32
>>#DEFINE INTERNET_CONNECTION_CONFIGURED  64
>>
>>    DECLARE SHORT InternetGetConnectedState IN wininet.dll;
>>        INTEGER @lpdwFlags, INTEGER dwReserved
>>
>>    DECLARE SHORT InternetGetConnectedStateEx IN wininet.dll;
>>        INTEGER @lpdwFlags, STRING @lpszConnectionName,;
>>        INTEGER dwNameLen, INTEGER dwReserved
>>
>>    DO displayState
>>    DO displayStateEx
>>RETURN
>>
>>PROCEDURE  displayState
>>    ? "*** InternetGetConnectedState:"
>>    lpdwFlags = 0
>>    IF InternetGetConnectedState (@lpdwFlags, 0) = 1
>>        ? "  Flags returned:       " +;
>>            LTRIM(STR(lpdwFlags))
>>
>>        ? "  Modem connection:     " +;
>>            _ok(lpdwFlags, INTERNET_CONNECTION_MODEM)
>>
>>        ? "  LAN connection:       " +;
>>            _ok(lpdwFlags, INTERNET_CONNECTION_LAN)
>>
>>        ? "  Proxy connection:     " +;
>>            _ok(lpdwFlags, INTERNET_CONNECTION_PROXY)
>>
>>        ? "  The modem is busy:    " +;
>>            _ok(lpdwFlags, INTERNET_CONNECTION_MODEM_BUSY)
>>
>>        ? "  The RAS is installed: " +;
>>            _ok(lpdwFlags, INTERNET_RAS_INSTALLED)
>>
>>        ? "  Offline connection:   " +;
>>            _ok(lpdwFlags, INTERNET_CONNECTION_OFFLINE)
>>
>>        ? "  Is configured:        " +;
>>            _ok(lpdwFlags, INTERNET_CONNECTION_CONFIGURED)
>>    ELSE
>>        ? "InternetGetConnectedState error"
>>    ENDIF
>>RETURN
>>
>>PROCEDURE  displayStateEx
>>* the same as the regular one except the connection name is returned
>>    ?
>>    ? "*** InternetGetConnectedStateEx:"
>>    lpdwFlags = 0
>>    lcConnection = REPLI (Chr(0), 250)
>>    IF InternetGetConnectedStateEx (@lpdwFlags,;
>>        @lcConnection, Len(lcConnection), 0) = 1
>>
>>        ? "  Flags returned:       " + LTRIM(STR(lpdwFlags))
>>        ? "  Connection name: " +;
>>            SUBSTR (lcConnection, 1, AT(Chr(0), lcConnection)-1)
>>    ELSE
>>        ? "InternetGetConnectedStateEx error"
>>    ENDIF
>>RETURN
>>
>>FUNCTION  _ok (lnBase, lnValue)
>>RETURN  Iif(BitAnd(lnBase, lnValue)=lnValue, "Yes","No")
>>
>>
>>>Alexandre,
>>> Cool code, but what does a return of '86' mean? Is there a list somewhere?
>>>Thanks,
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