MapItemAttribute.Value Property

Gets the attribute’s value.

Namespace: DevExpress.Xpf.Map

Assembly: DevExpress.Xpf.Map.v18.2.dll

Declaration

C#

public object Value { get; set; }

VB.NET

Public Property Value As Object

Property Value

Type	Description
Object	The String that specifies the attribute’s value.

Example

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-create-a-map-item-attribute-and-show-its-value-in-the-map-tooltip-e5114.

MainWindow.xaml

<dxm:VectorLayer Name="itemsLayer">
    <dxm:MapItemStorage>
        <dxm:MapPolygon  
            ToolTipPattern="{}Triangle Area: {areaValueAttrName}" 
            Points="0,0,0,40,40,0,0,0">
            <dxm:MapPolygon.Attributes>
                <dxm:MapItemAttribute Name="areaValueAttrName" 
                                      Type="{x:Type sys:Double}" 
                                      Value="80" />
            </dxm:MapPolygon.Attributes>
        </dxm:MapPolygon>
    </dxm:MapItemStorage>
</dxm:VectorLayer>

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Value 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-customize-the-appearance-of-a-map-shape-title-e4221/VB/WpfMapControl_ShapeTitleOptions/MainWindow.xaml#L41

<dxm:MapDot.Attributes>
    <dxm:MapItemAttribute Name="Name" Value="London"/>
</dxm:MapDot.Attributes>

how-to-show-tooltips-for-map-shapes-e4225/CS/ShowToolTips/TypeConverters.cs#L25

    return attr.Value;
}

how-to-create-a-custom-map-tooltip-shape-t452275/CS/ShowToolTips/TypeConverters.cs#L25

    return System.Math.Round((double)attr.Value / 1000000, 2);
}

how-to-create-a-map-item-attribute-and-show-its-value-in-the-map-tooltip-e5114/VB/UseMapItemAttribute/MainWindow.xaml#L21

                          Type="{x:Type sys:Double}"
                          Value="80" />
</dxm:MapPolygon.Attributes>

VB.NET

how-to-show-tooltips-for-map-shapes-e4225/VB/ShowToolTips/TypeConverters.vb#L32

    Return attr.Value
End Function

how-to-create-a-custom-map-tooltip-shape-t452275/VB/ShowToolTips/TypeConverters.vb#L32

    Return System.Math.Round(CDbl(attr.Value) / 1000000, 2)
End Function