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-rw-r--r--Xamarin.Forms.Core/TrackableCollection.cs16
1 files changed, 16 insertions, 0 deletions
diff --git a/Xamarin.Forms.Core/TrackableCollection.cs b/Xamarin.Forms.Core/TrackableCollection.cs
new file mode 100644
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+++ b/Xamarin.Forms.Core/TrackableCollection.cs
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+using System;
+using System.Collections.ObjectModel;
+
+namespace Xamarin.Forms
+{
+ internal class TrackableCollection<T> : ObservableCollection<T>
+ {
+ public event EventHandler Clearing;
+
+ protected override void ClearItems()
+ {
+ Clearing?.Invoke(this, EventArgs.Empty);
+ base.ClearItems();
+ }
+ }
+} \ No newline at end of file