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This function retrieves the index of the interface that has the best route to the specified IP address.
DWORD GetBestInterface( IPAddr dwDestAddr, PDWORD pdwBestIfIndex );
[in] The destination IP address for which to retrieve the interface that has the best route. For information about the IPAddrdata type, see Microsoft Win32 Simple Data Types in the Windows SDK.
[out] Pointer to the index of the interface that has the best route to the address specified by the dwDestAddrparameter.
Returns NO_ERROR if successful. If the function fails, it returns an error code. For a complete list of error codes, see Error Valuesor the SDK header file Winerror.h.
|Windows Embedded CE||Windows CE 3.0 and later|
|Windows Mobile||Windows Mobile Version 5.0 and later|