using System.Net.Sockets; namespace S7.Net { public static class TcpClientMixins { #if NETSTANDARD1_3 public static void Close(this TcpClient tcpClient) { tcpClient.Dispose(); } public static void Connect(this TcpClient tcpClient, string host, int port) { tcpClient.ConnectAsync(host, port).GetAwaiter().GetResult(); } #endif } }