Returns an XlCategoryLabelLevel constant referring to the level of where the category labels are being sourced from.xlCategoryLabelLevelAll, xlCategoryLabelLevelCustom - Indicates literal data in the category labels, xlCategoryLabelLevelNone - Set no category labels in the chart. Defaults to automatic indexed labels.
If there is a hierarchy, 0 refers to the most parent level, 1 refers to its children, and so on. So, 0 equals the first level, 1 equals the second level, 2 equals the third level, and so on.
ActiveChart.CategoryLabelLevel = xlCategoryLabelLevelAll