Use the Chart object to access all properties and methods related to the Gantt chart. Use the Items property to access the items in the control. Use the Columns property to access the control's Columns collection. Use the AddBar method to assign a bar to an item. Use the LevelCount property to specify the number of levels being displayed in the chart's header. Use the Level property to access the level in the chart area. Use the Bars property to access the collection of control's bars. Use the HeaderVisible property to show or hide the control's header. Use the SortBarVisible property to specify whether the control's sort bar is visible or it is hidden. Use the PaneWidth property to specify the width of the control's area or chart's area.