public static MIB_IPINTERFACE_ROW GetIpInterfaceEntry(Guid InterfaceGuid, ADDRESS_FAMILY Family)
{
MIB_IPINTERFACE_ROW pIpRow = new MIB_IPINTERFACE_ROW();
ConvertInterfaceGuidToLuid(ref InterfaceGuid, out NET_LUID NetLUID);
pIpRow.InterfaceLuid = NetLUID;
pIpRow.Family = Family; // ADDRESS_FAMILY.AF_INET || ADDRESS_FAMILY.AF_INET6
uint result = GetIpInterfaceEntry(ref pIpRow);
if (result != 0)
{
Trace.WriteLine("GetIpInterfaceEntry");
}
PrintErrorResult(result);
return(pIpRow);
}
public MIB_IPINTERFACE_TABLE(IntPtr pTable)
{
NumEntries = (uint)Marshal.ReadInt32(pTable, 0);
Table = new MIB_IPINTERFACE_ROW[NumEntries];
for (int i = 0; i < NumEntries; i++)
{
// The offset of the array of structures is 8 bytes past the beginning. Then, take the index and multiply it by the number of bytes in the structure.
// the length of the MIB_IPINTERFACE_ROW structure is 168 bytes - this was determined by doing a sizeof(MIB_IPINTERFACE_ROW) in an unmanaged C++ app.
IntPtr pItemList = new IntPtr(pTable.ToInt64() + (i * 168) + 8);
// Construct the MIB_IPINTERFACE_ROW structure, marshal the unmanaged structure into it, then copy it to the array of structures.
MIB_IPINTERFACE_ROW Row = new MIB_IPINTERFACE_ROW();
Row = (MIB_IPINTERFACE_ROW)Marshal.PtrToStructure(pItemList, typeof(MIB_IPINTERFACE_ROW));
Table[i] = Row;
}
}
private static extern uint GetIpInterfaceEntry([In, Out] ref MIB_IPINTERFACE_ROW Row);
