Using Win32 functions in Visual FoxPro Image Gallery
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IP Helper
..msdn
GetAdaptersAddresses
GetAdaptersInfo
GetBestInterface
GetBestRoute
GetIfEntry
GetInterfaceInfo
GetIpAddrTable
GetIpNetTable
GetIpStatistics
GetNetworkParams
GetNumberOfInterfaces
GetRTTAndHopCount
GetTcp6Table
GetTcpStatistics
GetTcpTable
GetUdpTable
IcmpCloseHandle
IcmpCreateFile
IcmpSendEcho
if_indextoname
if_nametoindex
IpReleaseAddress
IpRenewAddress
SendARP
Code examples:
GetBestInterface
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Retrieves the index of the interface that has the best route to the specified IPv4 address.
Code examples:
Declaration:
 
DWORD GetBestInterface(
    IPAddr dwDestAddr,
    PDWORD pdwBestIfIndex
);
 
FoxPro declaration:
 
DECLARE LONG GetBestInterface IN Iphlpapi;
    LONG dwDestAddr,;
    LONG @pdwBestIfIndex
 
Parameters:
dwDestAddr
[in] The destination IPv4 address for which to retrieve the interface that has the best route, in the form of an IPAddr structure.

pdwBestIfIndex
[out] A pointer to a DWORD variable that receives the index of the interface that has the best route to the IPv4 address specified by dwDestAddr.
Return value:
If the function succeeds, the return value is NO_ERROR (0).
My comment:
LOCAL nDstIP, nIIndex

nDstIP = inet_addr("66.94.234.13")
nIIndex=0

IF GetBestInterface(nDstIP, @nIIndex) = 0
        ? "Index of the interface", nIIndex
ENDIF

See also: GetBestRoute, GetNumberOfInterfaces, GetIfEntry.
Word Index links for the GetBestInterface :
best route
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Created: 2007-01-23 17:27:26
Modified: 2007-01-23 17:30:59
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