private void Selector_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            var    Box     = sender as ComboBox;
            string TempStr = Box.SelectedItem.ToString();
            int    Cnt     = 0;

            foreach (var str in MethodsList)
            {
                if (str == TempStr)
                {
                    CurrentMethod = StringToEnum(Cnt);
                    SwitchBlocks(CurrentMethod);
                    return;
                }

                Cnt++;
            }
        }
        private void SwitchBlocks(EMeths method)
        {
            switch (CurrentMethod)
            {
            case EMeths.Scale:
            {
                SettingsBlock.Visibility     = Visibility.Visible;
                SecondSignalBlock.Visibility = Visibility.Hidden;
                //  ExpandStackPanel.Visibility = Visibility.Hidden;

                FactorUpDown.Minimum = 1;
                FactorUpDown.Value   = 1;


                SwapSize(true);

                // Grid.SetColumnSpan(FactorStackPanel, 2);
                Grid.SetRow(OutputBlock, 3);

                break;
            }

            case EMeths.AddTwoSignals:
            {
                SettingsBlock.Visibility     = Visibility.Hidden;
                SecondSignalBlock.Visibility = Visibility.Visible;

                SwapSize(false);
                Grid.SetRow(OutputBlock, 3);

                break;
            }

            case EMeths.ExpandInTime:
            {
                SettingsBlock.Visibility     = Visibility.Visible;
                SecondSignalBlock.Visibility = Visibility.Hidden;
                //  ExpandStackPanel.Visibility = Visibility.Visible;

                FactorUpDown.Minimum = 1;
                FactorUpDown.Value   = 1;


                SwapSize(true);

                Grid.SetRow(OutputBlock, 3);
                // Grid.SetColumnSpan(FactorStackPanel, 1);
                break;
            }

            case EMeths.MultiplyTwoSignals:
            {
                SettingsBlock.Visibility     = Visibility.Hidden;
                SecondSignalBlock.Visibility = Visibility.Visible;

                SwapSize(false);
                Grid.SetRow(OutputBlock, 3);

                break;
            }

            case EMeths.Reverse:
            {
                SecondSignalBlock.Visibility = Visibility.Hidden;
                SettingsBlock.Visibility     = Visibility.Hidden;
                SwapSize(false);

                Grid.SetRow(OutputBlock, 2);
                break;
            }

            case EMeths.ShiftByTime:
            {
                SecondSignalBlock.Visibility = Visibility.Hidden;
                SettingsBlock.Visibility     = Visibility.Visible;
                //ExpandStackPanel.Visibility = Visibility.Hidden;

                FactorUpDown.Minimum = -20;
                FactorUpDown.Value   = 1;

                SwapSize(true);
                Grid.SetRow(OutputBlock, 3);
                break;
            }

            default:
                break;
            }
        }
        private EMeths StringToEnum(int s)
        {
            EMeths f = (EMeths)s;

            return(f);
        }