How to share data between two instances of the same application in C#
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  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/528652/what-is-the-simplest-method-of-inter-process-communication-between-2-c-sharp-pro">What is the simplest method of inter-process communication between 2 C# processes?</a>  </p>
</blockquote>



<p>I need to develop a windows application in C# where two instances of the application will run. One will be operational and another will be on standby. If for any reason first instance will hang or stop working, the second instance should start operation.</p>
