MapPie.Size Property

Specifies the size of a Pie item.

Namespace: DevExpress.XtraMap

Assembly: DevExpress.XtraMap.v19.2.dll

Declaration

C#

[DefaultValue(20)]
public int Size { get; set; }

VB.NET

<DefaultValue(20)>
Public Property Size As Integer

Property Value

Type	Default	Description
Int32	20	An integer value.

Example

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-customize-map-pie-parameters-t202713

Form1.cs

char letter = 'A';
double defaultValue = 10;
MapPie pie;

private void Form1_Load(object sender, EventArgs e) {
    MapItemStorage storage = new MapItemStorage();
    pie = new MapPie() {
        Location = new GeoPoint(51.507222, -0.1275),
        Size = 100,
        Argument = "pie",
    };
    pie.Segments.Add(new PieSegment() { Argument = NextLetter(), Value = defaultValue });
    pie.Segments.Add(new PieSegment() { Argument = NextLetter(), Value = defaultValue });
    pie.Segments.Add(new PieSegment() { Argument = NextLetter(), Value = defaultValue });

    storage.Items.Add(pie);

    mapControl1.Layers.Add(new VectorItemsLayer() {
        Data = storage,
        Colorizer = new KeyColorColorizer() {
            ItemKeyProvider = new ArgumentItemKeyProvider(),
            PredefinedColorSchema = PredefinedColorSchema.Palette
        }
    });

    lbRotationDirection.DataSource = Enum.GetValues(typeof(RotationDirection));
    lbSegments.DataSource = pie.Segments;
}

string NextLetter() {
    return letter++.ToString();
}

Form1.vb

Private letter As Char = "A"c
Private defaultValue As Double = 10
Private pie As MapPie

Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) Handles MyBase.Load
    Dim storage As New MapItemStorage()
    pie = New MapPie() With {.Location = New GeoPoint(51.507222, -0.1275), .Size = 100, .Argument = "pie"}
    pie.Segments.Add(New PieSegment() With {.Argument = NextLetter(), .Value = defaultValue})
    pie.Segments.Add(New PieSegment() With {.Argument = NextLetter(), .Value = defaultValue})
    pie.Segments.Add(New PieSegment() With {.Argument = NextLetter(), .Value = defaultValue})

    storage.Items.Add(pie)

    mapControl1.Layers.Add(New VectorItemsLayer() With { _
        .Data = storage, .Colorizer = New KeyColorColorizer() With {.ItemKeyProvider = New ArgumentItemKeyProvider(), .PredefinedColorSchema = PredefinedColorSchema.Palette} _
    })

    lbRotationDirection.DataSource = System.Enum.GetValues(GetType(RotationDirection))
    lbSegments.DataSource = pie.Segments
End Sub

Private Function NextLetter() As String
    Dim tempVar As Char = letter
    letter = ChrW(AscW(letter) + 1)
    Return tempVar.ToString()
End Function

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the Size property.

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-manually-add-mappie-items-to-the-map-t116241/CS/MapPieItem/Form1.cs#L31

MapPie pie = new MapPie();
pie.Size = 200;
pie.Segments.Add(new PieSegment() { Argument = "A", Value = 100 });

VB.NET

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

Dim pie As New MapPie()
pie.Size = 200
pie.Segments.Add(New PieSegment() With {.Argument = "A", .Value = 100})