TdxChartXYDiagramZoomEventArgs Class

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

Declaration

delphi

TdxChartXYDiagramZoomEventArgs = class(
    TdxChartXYDiagramRangesChangeEventArgs
)

The TdxChartXYDiagramZoomEventArgs class has members that allow you to identify the following in an OnZoom event handler:

Scale ranges of the axis of arguments (X-Axis) before and after the current zoom operation (OldXRange and NewXRange).
Scale ranges of the axis of values (Y-Axis) before and after the current zoom operation (OldYRange and NewYRange).

The AArgs parameter of the TdxChartXYDiagramZoomEvent procedural type references a TdxChartXYDiagramZoomEventArgs object.