CustomHeaderButtonCollection.CollectionChanged Event

Occurs when the current custom header buttons collection is changed.

Namespace: DevExpress.XtraTab.Buttons

Assembly: DevExpress.XtraEditors.v18.2.dll

Declaration

C#

public event CollectionChangeEventHandler CollectionChanged

VB.NET

Public Event CollectionChanged As CollectionChangeEventHandler

Event Data

The CollectionChanged event's data class is CollectionChangeEventArgs. The following properties provide information specific to this event:

Property	Description
Action	Gets an action that specifies how the collection changed.
Element	Gets the instance of the collection with the change.

Remarks

The CollectionChanged event fires on changing the current collection as a result of adding and removing items.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the CollectionChanged event.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-add-custom-buttons-to-tab-page-headers-e4255/CS/XtraTabWithButtons/Tab/Page/XtraTabPageDescendant.cs#L22

    customHeaderButtonsCore = new CustomHeaderButtonCollection();
    CustomButtons.CollectionChanged += CustomButtons_CollectionChanged;
}

VB.NET

how-to-add-custom-buttons-to-tab-page-headers-e4255/VB/XtraTabWithButtons/Tab/Page/XtraTabPageDescendant.vb#L21

    customHeaderButtonsCore = New CustomHeaderButtonCollection()
    AddHandler CustomButtons.CollectionChanged, AddressOf CustomButtons_CollectionChanged
End Sub