title: How do I check if .Post has send successfully in Facebook C# sdk?
body: <p>I try send the message using the followingcode:</p>
  
  <pre><code>//... 
  FacebookClient fbClient = new FacebookClient(appId, appSecret);
  fbClient.AccessToken = "...";
  string to = "user id";
  dynamic result = fbClient.Post(String.Format("{0}/feed", to), parameters);
  </code></pre>
  
  <p>but how I can know if the menssage has send to user successfully? what's the returns on case success/erros? I not found some details in the documentation of facebook-sdk-api for C#.</p>
  
  <p>.NET version: <code>v4.0.30319</code></p>
  
  <p>Facebook Assembly version: <code>5.2.1.0</code></p>
  
  <p>Thanks in advance. </p>