/// <summary>
        /// Initializes the tree map control.
        /// </summary>
        /// <param name="treemap">The XamTreemap.</param>
        public void InitializeTreemap(XamTreemap treemap)
        {
            if (_treemap == null)
            {
                _treemap             = treemap;
                _treemap.ItemsSource = new List <HeatmapViewModel>()
                {
                    this
                };
                _treemap.ItemsSourceRoot = this;
            }
            else
            {
                treemap.ItemsSource     = _treemap.ItemsSource;
                treemap.ItemsSourceRoot = _treemap.ItemsSourceRoot;
                _treemap = treemap;
            }

            //Trigger a refresh on the color mappers.
            TreemapFilter = _treemapFilter;

            // Initialize Grid with Business Equipment node's information
            //TODO-MT find replacement
            //_stockService.RefreshCompanySummary(313, OnRefreshCompaniesSummary);

            _selectedIndustry = "Business Equipment";
            OnPropertyChanged("SelectedIndustry");
        }
        /// <summary>
        /// Initializes the treemap control.
        /// </summary>
        /// <param name="treemap">The XamTreemap.</param>
        public void InitializeTreemap(XamTreemap treemap)
        {
            if (_treemap != treemap)
            {
                _treemap = treemap;
                SetItemsSourceRoot();
            }

            //Trigger a refresh on the color mappers.
            TreemapFilter = _treemapFilter;
        }