DataRelationCollection.OnCollectionChanging(CollectionChangeEventArgs) Method

Reference

Definition

Namespace:: System.Data

Assemblies:: netstandard.dll, System.Data.Common.dll

Assembly:: System.Data.Common.dll

Assembly:: System.Data.dll

Assembly:: netstandard.dll

Source:: DataRelationCollection.cs

Source:: DataRelationCollection.cs

Source:: DataRelationCollection.cs

Important

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Raises the CollectionChanged event.

protected:
 virtual void OnCollectionChanging(System::ComponentModel::CollectionChangeEventArgs ^ ccevent);

protected public:
 virtual void OnCollectionChanging(System::ComponentModel::CollectionChangeEventArgs ^ ccevent);

protected virtual void OnCollectionChanging(System.ComponentModel.CollectionChangeEventArgs ccevent);

protected internal virtual void OnCollectionChanging(System.ComponentModel.CollectionChangeEventArgs ccevent);

abstract member OnCollectionChanging : System.ComponentModel.CollectionChangeEventArgs -> unit
override this.OnCollectionChanging : System.ComponentModel.CollectionChangeEventArgs -> unit

Protected Overridable Sub OnCollectionChanging (ccevent As CollectionChangeEventArgs)

Protected Friend Overridable Sub OnCollectionChanging (ccevent As CollectionChangeEventArgs)

Parameters

ccevent: CollectionChangeEventArgs

A CollectionChangeEventArgs that contains the event data.

Remarks

Raising an event invokes the event handler through a delegate. For an overview, see Handling and Raising Events.

Notes to Inheritors

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

Applies to

Product	Versions
.NET	Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	1.1, 2.0, 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	2.0, 2.1

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