TdxChartXYSeriesAreaView Class
Stores Simple Area View settings.
Declaration
TdxChartXYSeriesAreaView = class(
TdxChartXYSeriesLineView
)Remarks
An Area View displays series values as filled areas on a diagram. The peaks and hollows in the 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.
Main API Members
The list below outlines key members of the TdxChartXYSeriesAreaView class.
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 performance optimization mode for line drawing.
Common XY Series View API Members
- AxisX | AxisY
Allow you to associate the series View with different argument and value axes 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.
- ValueLabels
- Provides access to value label settings.
General-Purpose API Members
- Assign
- Copies compatible settings between Area Views.
- Series
- Provides access to the parent XY series.
Related Compiled Demo
To see area series in action, run the Chart Control demo in the VCL Demo Center installed with compiled DevExpress VCL demos. Click the Area item in the sidebar to display the corresponding demo.
Compiled DevExpress demos ship with source code installed in the Public Documents folder (%PUBLIC%) for all users (default). You can find all project and source code files for the Chart Control demo in the following folder:
%PUBLIC%\Documents\DevExpress VCL Demos\MegaDemos\Product Demos\ExpressChart\
Tip
Project and source code files for all compiled DevExpress VCL Demos are maintained in a public repository hosted on GitHub:
Indirect TdxChartXYSeriesAreaView Class References
The TdxChartCustomSeries.View property references the TdxChartXYSeriesAreaView class as a TdxChartSeriesCustomView object if the ViewType property of the parent series is set to 'Area'.
You need to cast the returned object to the TdxChartXYSeriesAreaView class to access all public API members.
Other Area View Series Classes
- TdxChartXYSeriesFullStackedAreaView
- Stores Full-Stacked Area View settings.
- TdxChartXYSeriesStackedAreaView
- Stores Stacked Area View settings.