property Chart.NonworkingHoursPattern as PatternEnum
Retrieves or sets a value that indicates the pattern being used to fill non-working hours.

TypeDescription
PatternEnum A PatternEnum expression that indicates the pattern to fill non working hours in a day. 
Use the NonworkingHoursPattern property to specify the brush to fill the nonworking hours area. Use the NonworkingHoursColor property to specify the color being used by the NonworkingHoursPattern property. Use the NonworkingHours property to specify the nonworking hours in a day. For instance, if  the NonworkingHours property is 0 or  NonworkingHoursPattern is exPatternEmpty the not-working hours are not highlighted.