ClemensFischer/XAML-Map-Control
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ClemensF 2020-04-16 23:15:03 +02:00
parent 3ffb613f80
commit 310f0cca9a
21 changed files with 51 additions and 86 deletions
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12
MapControl/Shared/PolygonCollection.cs
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@ -26,9 +26,7 @@ namespace MapControl
protected override void InsertItem(int index, IEnumerable<Location> polygon)
{
var observablePolygon = polygon as INotifyCollectionChanged;
if (observablePolygon != null)
if (polygon is INotifyCollectionChanged observablePolygon)
{
CollectionChangedEventManager.AddListener(observablePolygon, this);
}
@ -38,9 +36,7 @@ namespace MapControl
protected override void SetItem(int index, IEnumerable<Location> polygon)
{
var observablePolygon = this[index] as INotifyCollectionChanged;
if (observablePolygon != null)
if (this[index] is INotifyCollectionChanged observablePolygon)
{
CollectionChangedEventManager.RemoveListener(observablePolygon, this);
}
@ -50,9 +46,7 @@ namespace MapControl
protected override void RemoveItem(int index)
{
var observablePolygon = this[index] as INotifyCollectionChanged;
if (observablePolygon != null)
if (this[index] is INotifyCollectionChanged observablePolygon)
{
CollectionChangedEventManager.RemoveListener(observablePolygon, this);
}