A Long expression that indicates the number of units being displayed in the same
place in the level.
By default, the Count property is 1. The Count property
specifies the number of units being displayed in the level. The Unit property specifies the unit being used to display
labels in the level. Use the Label property to
assign a caption for the level. Use the NextDate
property to get the next date. Use the Zoom
method to zoom the chart to a specified interval of dates. Use the FormatDate
property to format a date to a specified format.
screen shot shows a header that displays the dates from 3 by 3 days :