title: Get TFS Query GUID
body: <p>I am using some existing code in a project where some code is querying using a GUID to get list of WorkItems from a query ( as list of blocking bugs etc.) using a query name and GUID.</p>
  <p>var items = project.Store.GetQueryDefinition(queryGUID);</p>
  <p><strong>Question : for a given TFS query how can I get its GUID ?</strong></p>