Chart.CustomizeMapAreas Event

Occurs just before the chart image map is rendered. Use this event to customize the map areas items.

Namespace:  System.Web.UI.DataVisualization.Charting
Assembly:  System.Web.DataVisualization (in System.Web.DataVisualization.dll)

public event EventHandler<CustomizeMapAreasEventArgs> CustomizeMapAreas

The MapAreaItems property of the CustomizeMapAreasEventArgs class can be used to:

  • Delete or modify map items that have automatically been created for a chart object; any data point, series, legend item or strip line object that has a non-empty Url, MapAreaAttributes or ToolTip property will have an associated map area object.

  • Add custom map areas that have a user-defined shape and coordinates.

NoteNote

The sender argument of type Chart is read-only.

.NET Framework

Supported in: 4.6, 4.5, 4
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