public class MapPie :
    MapPathBase<PieSegment>,
    IMapContainerDataItem,
    IMapDataItem,
    ISupportCoordLocation,
    IMapChartItem,
    IMapChartDataItem,
    IMapValueDataItem,
    ITemplateGeometryItem,
    ILocatableRenderItem,
    ISizedPointCore,
    IPointCore,
    IClusterable,
    IClusterItemCore,
    IClusterItem,
    IPie,
    IMapItemCore

Public Class MapPie
    Inherits MapPathBase(Of PieSegment)
    Implements IMapContainerDataItem,
               IMapDataItem,
               ISupportCoordLocation,
               IMapChartItem,
               IMapChartDataItem,
               IMapValueDataItem,
               ITemplateGeometryItem,
               ILocatableRenderItem,
               ISizedPointCore,
               IPointCore,
               IClusterable,
               IClusterItemCore,
               IClusterItem,
               IPie,
               IMapItemCore

var pie = new MapPie() { Location = new GeoPoint(-20, -30), Size = 100 };
pie.Segments.AddRange(new PieSegment[] {
    new PieSegment(){ Argument = "A", Value = 2},
    new PieSegment(){ Argument = "B", Value = 3},
    new PieSegment(){ Argument = "C", Value = 4}
});
ItemStorage.Items.Add(pie);

Dim pie = New MapPie() With {.Location = New GeoPoint(-20, -30), .Size = 100}
pie.Segments.AddRange(New PieSegment() {New PieSegment() With {.Argument = "A", .Value = 2}, New PieSegment() With {.Argument = "B", .Value = 3}, New PieSegment() With {.Argument = "C", .Value = 4}})
ItemStorage.Items.Add(pie)