1 // Printer IP Address and communication port
2 string ipAddress = "10.3.14.42";
3 int port = 9100;
4
5 // ZPL Command(s)
6 string ZPLString =
7 "^XA" +
8 "^FO50,50" +
9 "^A0N50,50" +
10 "^FDHello, World!^FS" +
11 "^XZ";
12
13 try
14 {
15 // Open connection
16 System.Net.Sockets.TcpClient client = new System.Net.Sockets.TcpClient();
17 client.Connect(ipAddress, port);
18
19 // Write ZPL String to connection
20 System.IO.StreamWriter writer =
21 new System.IO.StreamWriter(client.GetStream());
22 writer.Write(ZPLString);
23 writer.Flush();
24
25 // Close Connection
26 writer.Close();
27 client.Close();
28 }
29 catch (Exception ex)
30 {
31 // Catch Exception
32 }
来源:https://www.cnblogs.com/turnip/p/12169882.html