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ObservableCollection<T>.OnCollectionChanged Method

.NET Framework 4

Other Versions

Raises the CollectionChanged event with the provided arguments.

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

Syntax

C++

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protected virtual void OnCollectionChanged(
	NotifyCollectionChangedEventArgs e
)

Parameters

e: Type: System.Collections.Specialized.NotifyCollectionChangedEventArgs
Arguments of the event being raised.

Remarks

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

Examples

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

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

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

Reference

ObservableCollection<T> Class

System.Collections.ObjectModel Namespace

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