TdxChartSimpleSeriesPieView Class

Stores Pie View settings.

Declaration

TdxChartSimpleSeriesPieView = class(
    TdxChartSimpleSeriesCustomPieView
)

Remarks

The Pie View displays series values as slices of a circle whose radial angles reflect shares of all series values in relation to their total.

VCL Chart Control: A Pie View Example

The TdxChartSimpleSeriesPieView class implements the Pie View. To select the Pie View, assign 'Pie' to the ViewType property of a simple series.

Main API Members

The list below outlines key members of the TdxChartSimpleSeriesPieView class that allow you to customize the appearance of a simple series that uses the Pie View.

SweepDirection: Arranges series values clockwise or counterclockwise.
StartAngle: Rotates a Pie series clockwise or counterclockwise.
TotalLabel: Provides access to total label settings.
ExplodedValueOptions: Allows you to display pie slices separately from each other.
Appearance: Provides access to general series appearance settings.
ValueLabels: Provides access to series value label settings.
OnCanExplodeValue: Allows you to display specific pie slices separately from each other based on certain conditions.
Assign: Copies compatible settings between simple series Views.

To see the Pie series View in action, run the Chart Control demo in the VCL Demo Center installed with compiled VCL DevExpress demos. Select the Pie item in the left sidebar.

Download: Compiled VCL Demos

Tip

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 in the following folder:

%Public%\Documents\DevExpress VCL Demos\MegaDemos\Product Demos\ExpressChart

Direct TdxChartSimpleSeriesPieView Class References

The View property of a simple series references the TdxChartSimpleSeriesPieView class as a TdxChartSimpleSeriesCustomView object if the ViewType property is set to 'Pie'. You need to cast the returned object to the TdxChartSimpleSeriesPieView class to access all public API members.