How to remove all its children when deleting a parent node in WPF Diagram (SfDiagram)?

You can delete all the child nodes when delete a parent node by setting ItemDeletingEventArgs.DeleteSuccessors property as true in WPF Diagram (SfDiagram).

C#

SfDiagram diagram = new SfDiagram();
(diagram.Info as IGraphInfo).ItemDeletingEvent += MainWindow_ItemDeletingEvent; 
private void MainWindow_ItemDeletingEvent(object sender, DiagramPreviewEventArgs args)
{ 
  //For Deleting child Node while deleting the parent node
  (args as ItemDeletingEventArgs).DeleteSuccessors = true; 
}

View sample in GitHub.

Conclusion

I hope you enjoyed learning about how to remove all its children when deleting a parent node in WPF Diagram (SfDiagram).

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