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. Changing the Label property may change the Unit property. For instance, if the user calls Label = "<%d%>", the Unit property is automatically put on exDay. The UnitScale property indicates the minimum time unit from all levels. The UnitScale property changes the Label, Unit and the ToolTip for a level with predefined values defined by the Label and LabelToolTip properties. Use the LevelCount property to specify the count of levels in the chart's header. Use the UnitWidth property to specify the width of the time unit. Use the Count property to specify the number of units being displayed in the same place. Use the NextDate property to get the next date. Use the Zoom method to zoom the chart to a specified interval of dates.

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