title: How to make HTTP request in windows service?
body: <p>i want to implement my first windows service application.
  this app must run day and night. it should to send each 1 hour http request with possibility to make snapshot of requested webpage and save it in database.</p>
  
  <p>can you show me some c# code examples how to:</p>
  
  <ol>
  <li>make http request from windows service.</li>
  <li>set a timer for requesting each 1 hour.</li>
  <li>send e-mail that snapshot is successfully saved in DB.</li>
  </ol>
  
  <p>thank you!</p>