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TdxChartXYSeriesLineView Class

Stores Line View settings.

Declaration

TdxChartXYSeriesLineView = class(
    TdxChartXYSeriesCustomView
)

Remarks

A Line View displays series values as lines and/or points in any combination. Line Views are often used to show and compare multiple trends on the same diagram.

The TdxChartXYSeriesLineView class implements the Simple Line View designed for demonstration of one series or comparison of multiple trends. To select the Simple Line View, assign 'Line' to the ViewType property of an XY series.

VCL Chart Control: An XY Diagram with Three Simple Line Series

Main API Members

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

Line View-Specific Settings

Appearance
Provides access to general 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 TdxChartXYSeriesLineView Class References

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

See Also