I am not sure that I understand your scenario entirely. That is why I would like to ask you for more information about your scenario:
- are you using Xaml defined diagram or you are using MVVM approach?
- if I understand you correctly you are defining shapes/connection and the you are adding some ConnectionPoints. And the steps after that are not clear: do you select the RadDiagramConnection and the reset is made or you first Group the shapes and the connection and then making the selection?
- to which collection change you are subscribing (Items, ConnectionPoints .. e.t.) and how?
- do you have custom diagram ?
Also if you could provide us with a sample project reproducing the issue will help us better understand and provide you with best possible solution for you scenario.
Looking forward to hearing from you.
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