DiagramBase.NodeDeleting Event

Raised when the user tries to delete a node, this event lets you cancel the operation.

Namespace: MindFusion.Diagramming.Wpf
Assembly: MindFusion.Diagramming.Wpf

 Syntax

C#

public event EventHandler<NodeValidationEventArgs> NodeDeleting

Visual Basic

Public Event NodeDeleting As EventHandler(Of NodeValidationEventArgs)

 Event Data

NodeDeleting event handlers receive an argument of type NodeValidationEventArgs. The following NodeValidationEventArgs members provide information relevant to the event:

Member name	Description
Node	A DiagramNode that the user is trying to delete by pressing the DEL key.
Cancel	Set this property to true to prevent the user from deleting the node.

 Remarks

When the user deletes a node, the links connected to it are deleted too. However, the LinkDeleting validation event is not raised in that case.