void SaveUIConfig()
 {
     using (FileStream fs = new FileStream("UI.dat", FileMode.Create))
     {
         WindowStat stat = new WindowStat {
             opacity = opacity, secondColumnWidth = secondColumnWidth, Left = Left, Top = Top
         };
         BinaryFormatter bf = new BinaryFormatter();
         bf.Serialize(fs, stat);
     }
 }
 void LoadUIConfig()
 {
     try
     {
         using (FileStream fs = new FileStream("UI.dat", FileMode.Open))
         {
             BinaryFormatter bf   = new BinaryFormatter();
             WindowStat      stat = bf.Deserialize(fs) as WindowStat;
             opacity               = stat.opacity;
             secondColumnWidth     = stat.secondColumnWidth;
             WindowStartupLocation = WindowStartupLocation.Manual;
             Left = stat.Left;
             Top  = stat.Top;
         }
     }
     catch (FileNotFoundException e)
     {
     }
     catch (SerializationException e)
     {
     }
 }