System.Net.UnsafeNclNativeMethods.OSSOCK.setsockopt C# (CSharp) Метод

            internal static extern SocketError setsockopt(
                                               [In] SafeCloseSocket socketHandle,
                                               [In] SocketOptionLevel optionLevel,
                                               [In] SocketOptionName optionName,
                                               [In] ref int optionValue,
                                               [In] int optionLength
                                               );