ClemensFischer/XAML-Map-Control
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Version 4.4.1: MapPolygon for UWP in progress

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ClemensF 2018-02-13 20:11:16 +01:00
parent 946713b8eb
commit 2f828fbe2d
7 changed files with 64 additions and 30 deletions
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12
MapControl/WPF/MapMultiPolygon.WPF.cs
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@ -17,12 +17,17 @@ namespace MapControl
/// for the Polygons property if collection changes of the property itself and its
/// elements are both supposed to trigger a UI update.
/// </summary>
public class MapMultiPolygon : MapShape, IWeakEventListener
public class MapMultiPolygon : MapShape
{
public static readonly DependencyProperty PolygonsProperty = DependencyProperty.Register(
nameof(Polygons), typeof(IEnumerable<IEnumerable<Location>>), typeof(MapMultiPolygon),
new PropertyMetadata(null, (o, e) => ((MapMultiPolygon)o).DataCollectionPropertyChanged(e)));
public MapMultiPolygon()
: base(new PathGeometry())
{
}
/// <summary>
/// Gets or sets the Locations that define the multi-polygon points.
/// </summary>
@ -34,7 +39,8 @@ namespace MapControl
protected override void UpdateData()
{
Data.Figures.Clear();
var figures = ((PathGeometry)Data).Figures;
figures.Clear();
if (ParentMap != null && Polygons != null)
{
@ -43,7 +49,7 @@ namespace MapControl
var points = polygon.Select(loc => LocationToPoint(loc));
var polyline = new PolyLineSegment(points.Skip(1), true);
Data.Figures.Add(new PathFigure(points.First(), new PathSegment[] { polyline }, true));
figures.Add(new PathFigure(points.First(), new PathSegment[] { polyline }, true));
}
}
}