Facebook - How to invite a user to your facebook application?

Use the following method to invite a user to your facebook application.

public bool InviteAFacebookUser(string AccessToken, string AppId, string Msg)
{
     bool result=false;
     try
     {
           FacebookClient fbClient = new FacebookClient(AccessToken);
           var args = new Dictionary<string, object>();
           args["appId"] = AppId; //event id
           args["message"] = Msg;
           dynamic id = fbClient.Post("/me/apprequests", args);
           result=true;
       }
       catch
       {
           //I am suppressing the exception.
       }
       return result;
}