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GetBestInterfaceEx (Windows CE 5.0)

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This function retrieves the index of the interface that has the best route to the specified IP address. This function differs from the GetBestInterface function in that this function also supports the Internet Protocol version 6 (IPv6) protocol family.

DWORDGetBestInterfaceEX(struct sockaddr* pDestAddr,PDWORDpdwBestIfIndex);

Parameters

  • pDestAddr
    [in] The destination IP address from a sockaddr structure for which to retrieve the interface that has the best route.
  • pdwBestIfIndex
    [out] Pointer to the index of the interface that has the best route to the address specified by the dwDestAddr parameter.

Return Values

Returns NO_ERROR if successful. If the function fails, it returns an error code. For a complete list of error codes, see Error Values or the SDK header file Winerror.h.

Requirements

OS Versions: Windows CE .NET 4.1 and later.
Header: Iphlpapi.h.
Link Library: Iphlpapi.lib.

See Also

IP Helper Functions | sockaddr | GetBestInterface

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