private void CmbUniformGridLayoutItemsJustification_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (UniformGridRepeater != null)
            {
                var itemsJustification = (CmbUniformGridLayoutItemsJustification.SelectedItem as ComboBoxItem).Content.ToString();

                LayoutHelper.SetLineAlignment(UniformGridRepeater.Layout, itemsJustification);
            }
        }
        private void LineAlignmentComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            var alignment = (lineAlignmentComboBox.SelectedItem as ComboBoxItem).Content.ToString();

            if (_pageInfo.Level0Layout != null)
            {
                LayoutHelper.SetLineAlignment(_pageInfo.Level0Layout, alignment);
            }

            if (_pageInfo.Level1Layout != null)
            {
                LayoutHelper.SetLineAlignment(_pageInfo.Level1Layout, alignment);
            }

            if (_pageInfo.Level2Layout != null)
            {
                LayoutHelper.SetLineAlignment(_pageInfo.Level2Layout, alignment);
            }
        }