CommonControls.CommonLightBox.Window_Loaded C# (CSharp) Method

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            if (_lightBoxKind == CommonLightBoxKind.SaveCancel)
            {
                Grid.SetRowSpan(this.UpperBorder, 1);
                Grid.SetRow(this.LowerBorder, 1);
                Grid.SetRowSpan(this.LowerBorder, 2);
                this.UpperBorder.Visibility = System.Windows.Visibility.Visible;
            }
            else if (_lightBoxKind == CommonLightBoxKind.SaveOnly)
            {
                Grid.SetRow(this.UpperBorder, 0);
                Grid.SetRowSpan(this.UpperBorder, 3);
                Grid.SetRow(this.LowerBorder, 0);
                Grid.SetRowSpan(this.LowerBorder, 1);
                this.LowerBorder.Visibility = System.Windows.Visibility.Hidden;
                this.UpperBorder.Style = BaseGrid.FindResource("SaveBlackoutBorder") as Style;
                this.UpperBorderTextBlock.Style = BaseGrid.FindResource("SaveTextBlockStyle") as Style;
            }
            else if (_lightBoxKind == CommonLightBoxKind.CancelOnly)
            {
                Grid.SetRow(this.UpperBorder, 0);
                Grid.SetRowSpan(this.UpperBorder, 3);
                Grid.SetRow(this.LowerBorder, 0);
                Grid.SetRowSpan(this.LowerBorder, 1);
                this.LowerBorder.Visibility = System.Windows.Visibility.Hidden;
                this.UpperBorder.Style = BaseGrid.FindResource("CancelBlackoutBorder") as Style;
                this.UpperBorderTextBlock.Style = BaseGrid.FindResource("CancelTextBlockStyle") as Style;
            }

            if (Owner.WindowState == System.Windows.WindowState.Maximized)
            {
                var rect = GetWindowRectangle(Owner);

                this.Left = rect.Left;
                this.Top = rect.Top;
            }
            else
            {
                this.Left = Owner.Left;
                this.Top = Owner.Top;
            }

            if (!_isStretchable)
            {
                BaseGrid.RowDefinitions[0].Height = new GridLength(20);
                BaseGrid.RowDefinitions[1].Height = new GridLength(1.0, GridUnitType.Star);
                BaseGrid.RowDefinitions[2].Height = new GridLength(20);
            }

            this.ScrollViewer.HorizontalScrollBarVisibility = this.HorizontalScrollBarVisibility;
            this.ScrollViewer.VerticalScrollBarVisibility = this.VerticalScrollBarVisibility;

            this.Width = Owner.ActualWidth;
            this.Height = Owner.ActualHeight;

            this.TargetGrid.MaxWidth =
                Math.Max(this.Width -
                (BaseGrid.ColumnDefinitions[0].MinWidth +
                    BaseGrid.ColumnDefinitions[2].MinWidth), 0);
            this.TargetGrid.MaxHeight =
                Math.Max(this.Height -
                (BaseGrid.RowDefinitions[0].MinHeight +
                    BaseGrid.RowDefinitions[2].MinHeight), 0);
        }