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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
<asp:Chart OnCustomizeMapAreas="EventHandler" />

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: 4.5, 4

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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