public void Write(ExecutableActivity item)
 {
     // Create a file to write to.
     using (FileStream stream = new FileStream(path + item.ID, FileMode.Append))
     {
         XmlSerializer serializer = new XmlSerializer(item.GetType());
         serializer.Serialize(stream, item);
     }
 }
 public void DisplayActivity(ExecutableActivity executableActivity)
 {
     Console.WriteLine("Seconds: " + executableActivity.ElapsedTime.TotalSeconds);
     Console.WriteLine("Minutes: " + executableActivity.ElapsedTime.TotalMinutes);
     xmlDataProvider.Write(executableActivity);
 }