LogViewer.MainWindow.UnselectCategory C# (CSharp) Method

        private void UnselectCategory(LogItemSchema item)
        {
            if (CategoryList.SelectedItems.Contains(item))
            {
                CategoryList.SelectedItems.Remove(item);
            }
            else
            {
                // might be a child category item...
                foreach (var childList in childLists)
                {
                    if (childList.SelectedItems.Contains(item))
                    {
                        childList.SelectedItems.Remove(item);
                    }
                }
            }
        }