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TdxChartXYDiagramRangesChangeEventArgs Class

The base class for classes that store information related to zoom and scroll notification events in an XY diagram.

Declaration

TdxChartXYDiagramRangesChangeEventArgs = class(
    TdxEventArgs
)

Remarks

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

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

Terminal TdxChartXYDiagramRangesChangeEventArgs Class Descendants

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

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

Inheritance

TObject
TdxEventArgs
TdxChartXYDiagramRangesChangeEventArgs
See Also