I wonder how the SendMessage method is used. I have googled around but can´t find any straight forward method of how to just send a String to another application.

I have 2 desktop applications with a Form handle named: "Application1" and "Application2".

I wonder how I will pass the below string from "Application1" to "Application2" ?

String sendThisString = "Hello from Application1";

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you have to use this namespace: using System.Net.Sockets; try to study that

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