TdxChartXYDiagram.OnBeforeZoom Event

Allows you to cancel a zoom operation in the XY diagram.

Declaration

delphi

property OnBeforeZoom: TdxChartXYDiagramBeforeZoomEvent read; write;

Remarks

The OnBeforeZoom event occurs immediately before a zoom operation in the XY diagram. You can handle this event to prevent zoom operations under certain conditions.

Refer to the TdxChartXYDiagramBeforeZoomEvent procedural type description for detailed information on parameters accessible in an OnBeforeZoom event handler.