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Updated MapPolypoint and PolygonCollection

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ClemensFischer 2026-01-21 22:27:29 +01:00
parent 81707c8ac0
commit f86f1d3c28
6 changed files with 64 additions and 197 deletions
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45
MapControl/WPF/MapPolypoint.WPF.cs
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@ -1,55 +1,12 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using System.Windows;
using System.Windows.Media;
namespace MapControl
{
/// <summary>
/// Base class of MapPolyline, MapPolygon and MapMultiPolygon.
/// </summary>
public class MapPolypoint : MapPath, IWeakEventListener
public partial class MapPolypoint : MapPath
{
public static readonly DependencyProperty FillRuleProperty =
DependencyPropertyHelper.Register<MapPolygon, FillRule>(nameof(FillRule), FillRule.EvenOdd,
(polypoint, oldValue, newValue) => ((StreamGeometry)polypoint.Data).FillRule = newValue);
public FillRule FillRule
{
get => (FillRule)GetValue(FillRuleProperty);
set => SetValue(FillRuleProperty, value);
}
protected MapPolypoint()
{
Data = new StreamGeometry();
}
protected void DataCollectionPropertyChanged(IEnumerable oldValue, IEnumerable newValue)
{
if (oldValue is INotifyCollectionChanged oldCollection)
{
CollectionChangedEventManager.RemoveListener(oldCollection, this);
}
if (newValue is INotifyCollectionChanged newCollection)
{
CollectionChangedEventManager.AddListener(newCollection, this);
}
UpdateData();
}
bool IWeakEventListener.ReceiveWeakEvent(Type managerType, object sender, EventArgs e)
{
UpdateData();
return true;
}
protected void UpdateData(IEnumerable<Location> locations, bool closed)
{
using var context = ((StreamGeometry)Data).Open();