public TreeNode CreateRequest(string text, 
            PriorityIconIndex priority = PriorityIconIndex.PRIORITY_NONE, 
            bool status = false,
            string desc = "")
        {
            TreeNode result = new TreeNode();
            result.Text = text;
            result.ImageIndex
                = result.SelectedImageIndex
                = (int)priority;
            result.Checked = status;
            result.ToolTipText = desc;

            return result;
        }
        public TreeNode CreateRequest(string text,
                                      PriorityIconIndex priority = PriorityIconIndex.PRIORITY_NONE,
                                      bool status = false,
                                      string desc = "")
        {
            TreeNode result = new TreeNode();

            result.Text = text;
            result.ImageIndex
                               = result.SelectedImageIndex
                               = (int)priority;
            result.Checked     = status;
            result.ToolTipText = desc;

            return(result);
        }