Use this property at either design time or run time to add custom map areas to the chart. Custom map areas, unlike map areas that correspond to a chart element, have a user-defined shape and coordinates.
In order to use the chart as an image map, the IsMapEnabled property of the root Chart must be set to true, which is the default.
If you render the chart as a binary stream, a special technique must be used to implement client-side image maps.
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)