TdxChartXYDiagramBeforeZoomEventArgs Class

Stores information related to an OnBeforeZoom event occurrence in an XY diagram.

Declaration

delphi

TdxChartXYDiagramBeforeZoomEventArgs = class(
    TdxEventArgs
)

The TdxChartXYDiagramBeforeZoomEventArgs class has members that allow you to do the following:

Identify and access the axis by which the target XY diagram is about to be zoomed (Axis).
Cancel the pending zoom operation (Cancel).
Identify minimum and maximum visible values of the axis scale after the zoom operation (NewRange).

The AArgs parameter of the TdxChartXYDiagramBeforeZoomEvent procedural type references a TdxChartXYDiagramBeforeZoomEventArgs object.

TObject TdxEventArgs TdxChartXYDiagramBeforeZoomEventArgs