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DependencyPropertyHelper

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ClemensFischer 2024-05-23 18:08:14 +02:00
parent c74c2b1fed
commit 8e82e0bcbd
25 changed files with 224 additions and 176 deletions
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7
MapControl/WinUI/MapPath.WinUI.cs
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@ -2,6 +2,7 @@
// Copyright © 2024 Clemens Fischer
// Licensed under the Microsoft Public License (Ms-PL)
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
@ -39,14 +40,14 @@ namespace MapControl
#region Methods used only by derived classes MapPolyline and MapPolygon
protected void DataCollectionPropertyChanged(DependencyPropertyChangedEventArgs e)
protected void DataCollectionPropertyChanged(IEnumerable oldValue, IEnumerable newValue)
{
if (e.OldValue is INotifyCollectionChanged oldCollection)
if (oldValue is INotifyCollectionChanged oldCollection)
{
oldCollection.CollectionChanged -= DataCollectionChanged;
}
if (e.NewValue is INotifyCollectionChanged newCollection)
if (newValue is INotifyCollectionChanged newCollection)
{
newCollection.CollectionChanged += DataCollectionChanged;
}