ObservableCollection<T>.OnCollectionChanged Method

Raises the CollectionChanged event with the provided arguments.

Namespace:  System.Collections.ObjectModel
Assemblies:   System.ObjectModel (in System.ObjectModel.dll)
  System (in System.dll)

protected virtual void OnCollectionChanged(
	NotifyCollectionChangedEventArgs e
)

Parameters

e
Type: System.Collections.Specialized.NotifyCollectionChangedEventArgs

Arguments of the event being raised.

Properties and methods that modify this collection raise the CollectionChanged event through this virtual method.

When overriding this method, either call the base implementation or use the BlockReentrancy method to handle reentrant collection changes, as in the following example:

using (BlockReentrancy())
{
    // OnCollectionChanged call
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
Was this page helpful?
(1500 characters remaining)
Thank you for your feedback
Show:
© 2015 Microsoft