public static extern uint DhcpRequestParams( DHCPCAPI_REQUEST Flags, IntPtr Reserved, string AdapterName, IntPtr ClassId, DHCPCAPI_PARAMS_ARRAY SendParams, DHCPCAPI_PARAMS_ARRAY RecdParams, IntPtr Buffer, ref uint pSize, string RequestIdStr);
public static extern Win32Error DhcpRequestParams([Optional] DHCPCAPI_REQUEST Flags, [In, Optional] IntPtr Reserved, [MarshalAs(UnmanagedType.LPWStr)] string AdapterName, in DHCPCAPI_CLASSID ClassId, DHCPCAPI_PARAMS_ARRAY SendParams, DHCPCAPI_PARAMS_ARRAY RecdParams, [Out] IntPtr Buffer, ref uint pSize, [Optional, MarshalAs(UnmanagedType.LPWStr)] string RequestIdStr);