void EdytujToolStripMenuItemClick(object sender, EventArgs e)
 {
     // edytuj zbiór wyświetlaczy
     if (dataGridView5.CurrentRow != null)
     {
         LED7DisplayOutputSet dose           = (LED7DisplayOutputSet)dataGridView5.CurrentRow.Tag;
         AddEditLED7DisplayOutputSetDialog d = new AddEditLED7DisplayOutputSetDialog(Configuration, dose);
         if (d.ShowDialog(this) == DialogResult.OK)
         {
             ShowDisplays7LEDSets();
         }
     }
 }
        void DodajToolStripMenuItemClick(object sender, EventArgs e)
        {
            // dodaj nowy zbiór wyświetlaczy
            AddEditLED7DisplayOutputSetDialog d = new AddEditLED7DisplayOutputSetDialog(Configuration, null);

            if (d.ShowDialog(this) == DialogResult.OK)
            {
                List <LED7DisplayOutput> doses = new List <LED7DisplayOutput>(Configuration.LED7DisplayOutputs);
                doses.Add(d.LED7DisplayOutputSet);
                Configuration.LED7DisplayOutputs = doses.ToArray();
                ShowDisplays7LEDSets();
            }
        }