public void UpdateCurrentItemPlayTime()
 {
     //TODO: Don't use SelectedItem? What if selection is changed while process is still running?
     //Only log time if the session lasted more than 5 minutes
     if (CurrentProcess.RunTime != null && CurrentProcess.RunTime.TotalMinutes > 5)
     {
         //The above IF should prevent DateTime.Now actually being used so this is fine
         DateTime startTime = CurrentProcess.TimeStarted ?? DateTime.Now;
         DateTime endTime   = CurrentProcess.TimeLastPolled ?? DateTime.Now;
         SelectedItem.AddPlayTime(startTime, endTime);
         LibraryFiler.SaveLibraryData();
     }
 }