void _env_Tick(object sender, Utility.TickEventArgs e)
 {
     if (_messages.Count > 0)
     {
         if (_messages.Peek() != null)
         {
             appendSystemLog(_messages.Dequeue().ToString());
         }
     }
 }
 void _environment_Tick(object sender, Utility.TickEventArgs e)
 {
     processTick();
 }