MapPolygon Class

The class used to draw a polygon on a map.

Namespace: DevExpress.XtraMap

Assembly: DevExpress.XtraMap.v18.1.dll

Declaration

C#

public class MapPolygon :
    MapShape,
    ISupportCoordPoints,
    IPolygonCore,
    IPointContainerCore,
    IEditableItem

VB.NET

Public Class MapPolygon
    Inherits MapShape
    Implements ISupportCoordPoints,
               IPolygonCore,
               IPointContainerCore,
               IEditableItem

Related API Members

The following members accept/return MapPolygon objects:

• MapHitInfo.MapPolygon

Remarks

The following image shows an example of a map polygon object.

Example

Note

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

Form1.cs

var polygon = new MapPolygon();
polygon.Points.AddRange(new GeoPoint[] {
    new GeoPoint(70,80),
    new GeoPoint(75,90),
    new GeoPoint(75,130)
});
ItemStorage.Items.Add(polygon);

Form1.vb

Dim polygon = New MapPolygon()
polygon.Points.AddRange(New GeoPoint() { _
    New GeoPoint(70,80), _
    New GeoPoint(75,90), _
    New GeoPoint(75,130) _
})
ItemStorage.Items.Add(polygon)

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the MapPolygon 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-implement-a-custom-colorizer-e4753/CS/CustomColorizer/Form1.cs#L45

for (int i = 0; i < rectNumber; i++) {
    MapPolygon polygon = CreatePolygon(i * singlePower,
    new GeoPoint[] { new GeoPoint(0, width * i),

how-to-color-manually-added-shapes-using-the-choropleth-colorizer-e4744/CS/Manual Colorization/Form1.cs#L68

#region #CreatePolygon
private MapPolygon CreatePolygon(double areaValue, string polygonName, GeoPoint[] points) {
    MapPolygon item = new MapPolygon();

how-to-create-different-map-shapes-t139819/CS/MapItemsExample/Form1.cs#L50

#region #MapPolygonExample
var polygon = new MapPolygon();
polygon.Points.AddRange(new GeoPoint[] {

VB.NET

how-to-implement-a-custom-colorizer-e4753/VB/CustomColorizer/Form1.vb#L47

For i As Integer = 0 To rectNumber - 1
    Dim polygon As MapPolygon = CreatePolygon(i * singlePower, New GeoPoint() { New GeoPoint(0, width * i), New GeoPoint(0, width * (i + 1)), New GeoPoint(40, width * (i + 1)), New GeoPoint(40, width * i), New GeoPoint(0, width * i) })
    col.Add(polygon)

how-to-color-manually-added-shapes-using-the-choropleth-colorizer-e4744/VB/Manual Colorization/Form1.vb#L65

#Region "#CreatePolygon"
Private Function CreatePolygon(ByVal areaValue As Double, ByVal polygonName As String, ByVal points() As GeoPoint) As MapPolygon
    Dim item As New MapPolygon()

how-to-create-different-map-shapes-t139819/VB/MapItemsExample/Form1.vb#L62

'            #Region "#MapPolygonExample"
            Dim polygon = New MapPolygon()
            polygon.Points.AddRange(New GeoPoint() { _

Implements

IColorizerElement

IEditableItem

Inheritance

Object

MapItem

MapShape

MapPolygon