title: How to create a FxCop (Code Analysis) custom ruleset by combining existing rules
body: <p>Please let me know , how can I develop a FxCop (Code Analysis) custom rules assembly by combining existing rules such as that custom rules assembly will include rules from "Microsoft Basic Correctness Rules" and "Microsoft Security Rules"</p>
  
  <p>If you can provide reference link or code sample, that would be great.</p>
  
  <p>Thanks</p>
  
  <p>Lasantha</p>