GeoMapCoordinateSystem.CircularScrollingMode Property

Gets or sets a value that indicates which map items are available for circular scrolling. This is a dependency property.

Namespace: DevExpress.Xpf.Map

Assembly: DevExpress.Xpf.Map.v19.2.dll

Declaration

C#

public CircularScrollingMode CircularScrollingMode { get; set; }

VB.NET

Public Property CircularScrollingMode As CircularScrollingMode

Property Value

Type	Description
CircularScrollingMode	The value that indicates which map items are available for circular scrolling.

Available values:

Name	Description
None	Nothing should be circularly scrolled.
TilesAndVectorItems	Tiles and vector items should be circularly scrolled.

Remarks

Note that, a map shape should fulfill the following condition to cross the 180th meridian: one or several points’ longitudes should exceed the 180 (-180) limit:

Xaml

<dxm:MapItemStorage>
    <dxm:MapItemStorage.Items>
        <dxm:MapPolygon>
            <dxm:MapPolygon.Points>
                <dxm:GeoPoint Latitude="-10" Longitude="-170"/>
                <dxm:GeoPoint Latitude="-10" Longitude="170"/>
                <dxm:GeoPoint Latitude="10" Longitude="170"/>
                <dxm:GeoPoint Latitude="10" Longitude="-170"/>
            </dxm:MapPolygon.Points>
        </dxm:MapPolygon>
        <dxm:MapPolygon Fill="Orange">
            <dxm:MapPolygon.Points>
                <dxm:GeoPoint Latitude="30" Longitude="170"/>
                <dxm:GeoPoint Latitude="30" Longitude="190"/>
                <dxm:GeoPoint Latitude="40" Longitude="190"/>
                <dxm:GeoPoint Latitude="40" Longitude="170"/>
            </dxm:MapPolygon.Points>
        </dxm:MapPolygon>
    </dxm:MapItemStorage.Items>
</dxm:MapItemStorage>

The code above produces the following image:

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the CircularScrollingMode 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-enable-the-circular-scrolling-functionality-for-tiles-and-vector-items-t580850/VB/CircularScrolling/MainWindow.xaml#L14

<dxm:MapControl.CoordinateSystem>
    <dxm:GeoMapCoordinateSystem CircularScrollingMode="TilesAndVectorItems"/>
</dxm:MapControl.CoordinateSystem>