GetBestInterface
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4/8/2010
This function retrieves the index of the interface that has the best route to the specified IP address.
Syntax
DWORD GetBestInterface(
IPAddr dwDestAddr,
PDWORD pdwBestIfIndex
);
Parameters
- dwDestAddr
[in] The destination IP address for which to retrieve the interface that has the best route. For information about the IPAddr data type, see Microsoft Win32 Simple Data Types in the Windows SDK.
- pdwBestIfIndex
[out] Pointer to the index of the interface that has the best route to the address specified by the dwDestAddr parameter.
Return Value
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
| Header | iphlpapi.h |
| Library | Iphlpapi.lib |
| Windows Embedded CE | Windows CE 3.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |