This samples are based on projects below :
https://tutorials.techrad.co.za/2020/05/02/telnet-in-c/#comment-1713
https://github.com/Spksh/TentacleSoftware.Telnet
https://www.jerriepelser.com/blog/using-ansi-color-codes-in-net-console-apps
https://github.com/justalemon/consolecontrol