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TdxChartCustomAxis Class

The base class for axis classes in the Chart control.

Declaration

TdxChartCustomAxis = class(
    TdxChartCustomVisualElement
)

Remarks

The axis of arguments (X-axis) and the axis of values (Y-axis) form a two-dimensional Cartesian coordinate system in an XY diagram. The TdxChartCustomAxis class implements common functionality for axes.

VCL Chart Control: X and Y Axes in a Diagram

Main API Members

The list below outlines key members of the TdxChartCustomAxis class that allow you to configure an axis.

General

Assign
Copies compatible settings between chart axes.
Diagram
Provides access to the XY diagram to which the axis belongs.
Visible
Hides or displays the axis.

Appearance and Behavior

Alignment
Specifies the axis position in relation to the parent diagram.
Appearance
Allows you to customize general appearance settings.
CrosshairLabels
Provides access to crosshair axis label settings.
MinorCount
Specifies the number of minor tick marks.
Ticks
Provides access to major and minor axis tick appearance settings.
Title
Specifies a title for the axis and changes title appearance and position.
ValueLabels

Allows you to display and customize axis value labels.

Tip

You can handle the parent diagram‘s OnGetAxisValueLabelDrawParameters event to customize individual axis value labels.

Gridlines
Allows you to display and customize axis grid lines in the parent diagram.
Interlaced
Applies interlacing to the parent diagram.
Logarithmic | LogarithmicBase
Allow you to enable a logarithmic scale for the numeric axis and adjust the scale’s logarithmic base.
NumericScaleOptions | Range
Adjust the numeric value range of the axis.
Reverse
Allows you to reverse the axis scale direction.

Terminal TdxChartCustomAxis Class Descendants

Do not use the TdxChartCustomAxis class directly. Use the following descendants instead:

TdxChartAxisX
Stores settings of an axis of arguments in an XY diagram.
TdxChartAxisY
Stores settings of an axis of values in an XY diagram.
TdxChartSecondaryAxisX
A secondary axis of arguments.
TdxChartSecondaryAxisY
A secondary axis of values.
See Also