title: How should I use Lambda expression to evaluate maximum integer out of a collection of strings?
body: <p>I have observablecollection of strings. I would like to find out the maximum of integer in that observablecollection using a Lambda expression.</p>
  
  <p><strong>Example:</strong> If my collection is: {stringOC[2], stringOC[1], stringOC[7], stringOC[3]}, and I want to find the largest integer, then I'd get 7.</p>