how do I make 1st app listen from 2nd app?
<p>example i want to make an app have listbox, and an custom dll which i can use on second app. </p>

<p>the first app is running always and listening for the second app, as soon as the dll function return value on second app , it will  return value to the 1st app  and insert the value to the lisbox.</p>

<p>does any one have any example how can i do it ? and what is this process called in c# ?</p>

<p>Thanks</p>
