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ObservableCollection<T>::OnCollectionChanged Method

Raises the CollectionChanged event with the provided arguments.

Namespace:  System.Collections.ObjectModel
Assembly:  WindowsBase (in WindowsBase.dll)

protected:
virtual void OnCollectionChanged(
	NotifyCollectionChangedEventArgs^ e
)
You cannot use methods in XAML.

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
}

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0

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