TcxTreeListColumnHeaderPopupMenuItem = (
    tlchmiSortAscending,
    tlchmiSortDescending,
    tlchmiClearSorting,
    tlchmiFooter,
    tlchmiGroupFooters,
    tlchmiRemoveThisColumn,
    tlchmiFieldChooser,
    tlchmiHorzAlignment,
    tlchmiVertAlignment,
    tlchmiBestFit,
    tlchmiBestFitAllColumns
);