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TdxChartXYSeriesAreaView Class

Stores Simple Area View settings.

Declaration

TdxChartXYSeriesAreaView = class(
    TdxChartXYSeriesLineView
)

Remarks

An Area View displays series values as filled areas on a diagram. Heights of peaks and hollows of filled areas reflect series point values. All Area Views support the same line appearance settings for filled area borders as Line Views.

The TdxChartXYSeriesAreaView class implements the Simple Area View designed to display series as filled overlapping areas on a diagram. Use this View when you display only one series or when you need to compare multiple series. To select the Simple Area View, assign 'Area' to the ViewType property of an XY series.

VCL Chart Control: An XY Diagram with Two Area Series

Main API Members

The list below outlines key members of the TdxChartXYSeriesAreaView class that allow you to customize appearance of an XY series that uses the Simple Area View.

Area View-Specific Settings

Appearance
Provides access to general line and area appearance settings.
Markers
Allows you to display value markers and change their size, shape, and color.
Optimization
Specifies the active line draw performance optimization mode.

General XY Series View API Members

AxisX | AxisY

Allow you to associate the series View with different axes of arguments and values in the parent XY diagram.

The Chart control uses the scales of the associated axes to display an XY series.

GetDescription
Returns the series View type description.
GetViewImages
Returns an image list populated with icons that correspond to all registered series View types.
GetViewImageIndex
Returns the index of the icon that corresponds to the current series View type.
Series
Provides access to the XY series to which the current View settings belong.
ValueLabels
Provides access to value label settings.

Indirect TdxChartXYSeriesAreaView Class References

The View property of an XY series references the TdxChartXYSeriesAreaView class as a TdxChartSeriesCustomView object if the ViewType property of the series is set to 'Area'. You need to cast the returned object to the TdxChartXYSeriesAreaView class to access all public members.

See Also