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.