enumTextReadingOrder

typedef enum
{
    [helpstring("Text reading order, context")]         textreadingorder_context        = 0,
    [helpstring("Text reading order, left to right")]   textreadingorder_left_to_right  = 1,
    [helpstring("Text reading order, right to left")]   textreadingorder_right_to_left  = 2
} enumTextReadingOrder;

used in IXlsAlignment::ReadingOrder property,
used in IXlsChartAlignment::ReadingOrder property.