ReadOnlyObservableCollection<T>.CollectionChanged Event

Reference

Definition

Namespace:: System.Collections.ObjectModel

Assemblies:: System.dll, System.ObjectModel.dll

Assemblies:: netstandard.dll, System.ObjectModel.dll

Assembly:: System.ObjectModel.dll

Assembly:: WindowsBase.dll

Assembly:: System.dll

Assembly:: netstandard.dll

Source:: ReadOnlyObservableCollection.cs

Source:: ReadOnlyObservableCollection.cs

Source:: ReadOnlyObservableCollection.cs

Important

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Occurs when an item is added or removed.

protected:
 virtual event System::Collections::Specialized::NotifyCollectionChangedEventHandler ^ CollectionChanged;

protected virtual event System.Collections.Specialized.NotifyCollectionChangedEventHandler CollectionChanged;

protected virtual event System.Collections.Specialized.NotifyCollectionChangedEventHandler? CollectionChanged;

member this.CollectionChanged : System.Collections.Specialized.NotifyCollectionChangedEventHandler

Protected Overridable Custom Event CollectionChanged As NotifyCollectionChangedEventHandler

Protected Overridable Event CollectionChanged As NotifyCollectionChangedEventHandler

Event Type

NotifyCollectionChangedEventHandler

Implements

CollectionChanged

Remarks

For more information, see CollectionChanged.

Applies to

Product	Versions
.NET	Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1
UWP	10.0

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