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How to Ping

Hi, I'm using Delphi XE7. I'm writing my first IP related program. After getting the basics working, I will make it ping three addresses repeatedly and an onscreen display will indicate which sites are not reachable.
For now I am simply trying to ping an address and get something I can use to determine if I got a reply.
I have changed the IP address in this post because I probably shouldn't publish it. It is another computer on this network. If I open a command Prompt and ping this address, I get a reply. When I ping using my program, I get 'Socket Error # 10013  Access Denied'.
What am I doing wrong, or not doing ?

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8/22/2022 - Mon