Applies to: Nevron Diagram for .NET
How to prompt the user before deleting a shape in the diagram, and if needed cancel the delete operation?
You can subscribe for the NodeRemoving event of the document event sink service:
[C#]
private void OnNodeRemoving(NChildNodeEventArgs args)
{
if (args.Child is NShape)
{
// prompt the user to confirm the delete if the delete is not allowed cancel the operation like this
args.Cancel = true;
}
}
[VB.NET]
Private Sub OnNodeRemoving(args As NChildNodeEventArgs)
If TypeOf args.Child Is NShape Then
' prompt the user to confirm the delete if the delete is not allowed cancel the operation like this
args.Cancel = True
End If
End Sub
Article ID: 28, Created On: 10/5/2010, Modified: 11/15/2010