title: How to find index of an item in a List<> where two or more property need to be check
body: <p>How to find index of an item in a List&lt;> where <strong><em>two or more property</em></strong> need to be checked?</p>
  
  <p>This works: </p>
  
  <pre><code>int index = myList.FindIndex(a =&gt; a.Prop == oProp);
  </code></pre>
  
  <p>This doesn't work:</p>
  
  <pre><code>int index = myList.FindIndex(a =&gt; a.Prop1 == oProp1 &amp;&amp; a =&gt; a.Prop2 == oProp2);
  </code></pre>