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DataRelationCollection.OnCollectionChanging Method

Raises the CollectionChanged event.

Namespace:  System.Data
Assembly:  System.Data (in System.Data.dll)

'Declaration
Protected Overridable Sub OnCollectionChanging ( _
	ccevent As CollectionChangeEventArgs _
)

Parameters

ccevent
Type: System.ComponentModel.CollectionChangeEventArgs

A CollectionChangeEventArgs that contains the event data.

Raising an event invokes the event handler through a delegate. For an overview, see Raising an Event.

Notes to Inheritors

When overriding OnCollectionChanging in an inheriting class, make sure that you call the OnCollectionChanging method for the base class.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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