Determines the appearance of the border drawn around the chart element area, as well as whether a border appears.
Returns the owning chart (read-only)
Returns or sets a [[ChartFillBase]] derived object which defines the fill properties for the chart element area.
This property returns null by default, indicating that no fill is applied.
To apply a solid color fill, assign an instance of the [[ChartSolidFill]] class to this property.
To apply a gradient fill, assign an instance of the [[ChartGradientFill]] class to this property.
To make the area transparent, assign an instance of the [[ChartEmptyFill]] class to this property.
returns this object's owner. (read-only) The owner or null if this object is owned directly by the Chart
Detrmines if the chart area is displayed with rounded corners
Represents the area in which the chart is displayed.