TdxChartAxisTicks Class

Stores appearance settings of axis tick marks.

Declaration

TdxChartAxisTicks = class(
    TcxLockablePersistent
)

Remarks

Tick marks divide an axis into even sections and help users compare series points on an XY diagram. The TdxChartAxisTicks class implements tick mark appearance settings.

VCL Chart Control: Major and Minor Tick Marks on the Y Axis

Main API Members

The list below outlines key class members that allow you to customize tick mark appearance.

Hide or display major and minor ticks on an axis (Visible and MinorVisible).
Position value labels along their axis (LabelAlignment).
Specify how major and minor ticks are displayed along their axis (CrossKind and MinorCrossKind).
Adjust thickness of major and minor ticks (Thickness and MinorThickness).
Change length of major and minor ticks (Length and MinorLength).
Avoid excessive redraw operations during batch tick mark appearance changes (BeginUpdate, CancelUpdate, and EndUpdate).
Copy tick mark appearance settings between axes (Assign).

Numeric Settings and Scaling

All numeric properties of the TdxChartAxisTicks class specify tick mark dimensions in pixels at 96 DPI. The Chart control’s draw routines multiply the following property values by the current scale factor to calculate tick mark dimensions on the target screen:

Length: Specifies length of major tick marks on an axis, in pixels.
MinorLength: Specifies length of minor tick marks on an axis, in pixels.
MinorThickness: Specifies thickness of minor tick marks on an axis, in pixels.
Thickness: Specifies thickness of major tick marks on an axis, in pixels.