Use the NonworkingDaysPattern property to specify the brush to fill the nonworking days area. Use the NonworkingDays property to specify the nonworking days. Use the AddNonworkingDate method to add custom dates as nonworking days. Use the NonworkingDaysPattern property to specify the pattern to fill non-working days. By default, the NonworkingDaysPattern property is exPatternDot. If the NonworkingDaysPattern property is exPatternEmpty, the non-working days are not highlighted. The NonworkingDaysColor property specifies the color being used to fill the non-working days. Use the MarkTodayColor property to specify the color to mark the today date. Use the DrawTickLines property to specify whether the grid lines between time units in the level are visible or hidden. Use the DrawGridLines property to specify whether the control draws the grid lines in the chart's area. Use the GridLineColor property to specify the color for grid lines. Use the DrawGridLines property to specify whether the control draws the grid lines in the items area. Use the DrawGridLines property to draw grid lines for a specified level.