Skip to main content

DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

DiagramControl.AddingNewItem Event

Fires each time a new item is added to the diagram by the end-user (e.g., dropped from the toolbox, drawn using a tool).

Namespace: DevExpress.Xpf.Diagram

Assembly: DevExpress.Xpf.Diagram.v24.2.dll

NuGet Package: DevExpress.Wpf.Diagram

#Declaration

public event EventHandler<DiagramAddingNewItemEventArgs> AddingNewItem

#Event Data

The AddingNewItem event's data class is DevExpress.Xpf.Diagram.DiagramAddingNewItemEventArgs.

#Remarks

Set the event parameter’s DiagramAddingNewItemEventArgs.Cancel property to true to prevent adding an item to the diagram.

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

See Also