MapPie Class

The class used to draw a pie chart on a map.

Namespace: DevExpress.XtraMap

Assembly: DevExpress.XtraMap.v18.1.dll

Declaration

C#

public class MapPie :
    MapPathBase<PieSegment>,
    IMapContainerDataItem,
    ISupportCoordLocation,
    IMapChartItem,
    IMapChartDataItem,
    IMapDataItem,
    ITemplateGeometryItem,
    ILocatableRenderItem,
    IPointCore

VB.NET

Public Class MapPie
    Inherits MapPathBase(Of PieSegment)
    Implements IMapContainerDataItem,
               ISupportCoordLocation,
               IMapChartItem,
               IMapChartDataItem,
               IMapDataItem,
               ITemplateGeometryItem,
               ILocatableRenderItem,
               IPointCore

Related API Members

The following members accept/return MapPie objects:

• MapHitInfo.MapPie

Remarks

The following image shows an example of a map Pie chart.

Example

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-create-different-map-shapes-t139819

Form1.cs

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);

Form1.vb

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)

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the MapPie class.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-customize-map-pie-parameters-t202713/CS/MapPieExample/Form1.cs#L10

double defaultValue = 10;
MapPie pie;

how-to-create-different-map-shapes-t139819/CS/MapItemsExample/Form1.cs#L89

#region #MapPieExample
var pie = new MapPie() { Location = new GeoPoint(-20, -30), Size = 100 };
pie.Segments.AddRange(new PieSegment[] {

how-to-manually-add-mappie-items-to-the-map-t116241/CS/MapPieItem/Form1.cs#L30

// Create a pie with several segments.
MapPie pie = new MapPie();
pie.Size = 200;

VB.NET

how-to-customize-map-pie-parameters-t202713/VB/MapPieExample/Form1.vb#L12

Private defaultValue As Double = 10
Private pie As MapPie

how-to-create-different-map-shapes-t139819/VB/MapItemsExample/Form1.vb#L101

'            #Region "#MapPieExample"
            Dim pie = New MapPie() With {.Location = New GeoPoint(-20, -30), .Size = 100}
            pie.Segments.AddRange(New PieSegment() { _

how-to-manually-add-mappie-items-to-the-map-t116241/VB/MapPieItem/Form1.vb#L29

' Create a pie with several segments.
Dim pie As New MapPie()
pie.Size = 200

Implements

IColorizerElement

Inheritance

Object

MapItem

MapShape

MapPathBase<PieSegment>

MapPie