public void InitDefaults()
        {
            LoadIfNull(ref ArrowDown, "arrow_down");
            LoadIfNull(ref ArrowLeft, "arrow_left");
            LoadIfNull(ref ArrowRight, "arrow_right");
            LoadIfNull(ref ArrowUp, "arrow_up");
            LoadIfNull(ref Circle, "circle");
            LoadIfNull(ref Checked, "checked");
            LoadIfNull(ref Close, "close");
            LoadIfNull(ref CurvedArrowDown, "curved_arrow_down");
            LoadIfNull(ref CurvedArrowLeft, "curved_arrow_left");
            LoadIfNull(ref CurvedArrowRight, "curved_arrow_right");
            LoadIfNull(ref CurvedArrowUp, "curved_arrow_up");
            LoadIfNull(ref DateTimePicker, "datetimepicker");
            LoadIfNull(ref DropDownRightArrow, "dropdown_rightArrow");
            LoadIfNull(ref FileDialogBack, "filedialog_back");
            LoadIfNull(ref FileDialogFile, "filedialog_file");
            LoadIfNull(ref FileDialogFolder, "filedialog_folder");
            LoadIfNull(ref FileDialogRefresh, "filedialog_refresh");
            LoadIfNull(ref FileDialogUp, "filedialog_up");

            LoadIfNull(ref FormResize, "form_resize");
            LoadIfNull(ref NumericDown, "numeric_down");
            LoadIfNull(ref NumericUp, "numeric_up");
            LoadIfNull(ref RadioButton_Checked, "radioButton_checked");
            LoadIfNull(ref RadioButton_Hovered, "radioButton_hovered");
            LoadIfNull(ref RadioButton_Unchecked, "radioButton_unchecked");

            LoadIfNull(ref TreeNodeCollapsed, "treenode_collapsed");
            LoadIfNull(ref TreeNodeExpanded, "treenode_expanded");
            Cursors.InitDefaults();
        }