class TreeListColumnAttribute: Attribute
    {
        public string mColumnHeader;
        public TreeListColumnAttribute(string Name)
        {
            mColumnHeader = Name;
        }
    }

projectListView.ColumnsSource =  typeof(ProjectListNodeItem).GetProperties().Select(o => new TreeListColumn()
            {
                Width=90，
                FieldName = o.Name,
                Header = o.GetCustomAttribute<TreeListColumnAttribute>().mColumnHeader
            });