TdxChartXYSeriesBarView Class
Stores Bar View settings.
Declaration
TdxChartXYSeriesBarView = class(
TdxChartXYSeriesCustomBarView
)Remarks
A Bar View displays series as sets of vertical or horizontal bars depending on axis positions. Bar lengths reflect series point values. Bar Views are often used to compare values in different categories.
The TdxChartXYSeriesBarView class implements the Simple Bar View that displays series values as colored bars grouped by argument values (categories). Use this View when you need to display only one series or when you need to compare multiple series.
Main API Members
The list below outlines key members of the TdxChartXYSeriesBarView class.
Bar View-Specific Settings
- Appearance
- Provides access to general bar appearance settings.
- BarWidth | BarDistance
- Allow you to adjust the width of bars and distances between them.
- ValueLabels
- Provides access to value label settings.
Common 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.
General-Purpose API Members
- Assign
- Copies compatible settings between Bar Views.
- Series
- Provides access to the parent XY series.
Related Compiled Demo
To see bar series in action, run the Chart Control demo in the VCL Demo Center installed with compiled DevExpress VCL demos. Click the Bar 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 TdxChartXYSeriesBarView Class References
The TdxChartCustomSeries.View property references the TdxChartXYSeriesBarView class as a TdxChartSeriesCustomView object if the ViewType property of the parent series is set to 'Bar'.
You need to cast the returned object to the TdxChartXYSeriesBarView class to access all public API members.
Other Bar View Series Classes
- TdxChartXYSeriesFullStackedBarView
- Stores Full-Stacked Bar View settings.
- TdxChartXYSeriesStackedBarView
- Stores Stacked Bar View settings.