Once a shape node and a link is connected, I would like to be able to remove the connection if I move the link outside of the node. However, moving it ouside the node does not really remove the connection. When moving the node, the link also moves as if it is connected.

Is there a property that I could set that once the link is removed and dropped outside of the node that it is disconnected?

Yes. I used that property already.

Is there an event that tells me that the link has been modified and then I can check if it intersects with the Destination or Origin shapeNode.

If It does not intersect then I assign the destination or origin part of the link to a Dummy Node. Is this the way to disconnect so that the link does not move when I move the shape node.

I believe that works but causes the link to move.

Is it a problem if I create a new DummyNode and then set the bounds of the DummyNode to the x,y coordinates of the corresponding Link endpoint? After that, I then set the Origin or Dest to the DummyNode. I was just thinking that I need the link to keep its end point coordinates when I do this. This works for me.

However if setting it to null the link endpoint goes to {0,0} coordinates. Do you believe that I will be creating orphaned Dummy Nodes in the diagram at some point and that will create some performance issue.

Ok. So If you are giving a fix for this issue and my company bought source code, do we get the source code fixes as well?

Also, is there a problem with my dummynode solution?

You can now download it from your account here: http://clientsarea.eu/

There are no new features; just a fix for this and a problem where null arrowheads were deserialized as non-null ones.