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Normal Topic want ot custom container node. (Read 1605 times)
Shane
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want ot custom container node.
Apr 11th, 2009 at 6:34am
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hi
  I want to custom the container node such that when I add any node to the container node the added node should be replaced by some point like shape and all its link should be incoming to and outgoing from the container node.as i am new to this so please try to send detailed code also.
thanks in advance.
  
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Stoyo
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Re: want ot custom container node.
Reply #1 - Apr 13th, 2009 at 8:51am
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You could handle the ContainerChildAdded event like this:

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private void OnContainerChildAdded(object sender, ContainerChildEventArgs e)
{
	Rect r = e.Node.Bounds;
	r.Size = new Size(5, 5);
	e.Node.Bounds = r;

	DiagramLinkCollection outLinks = e.Node.OutgoingLinks.Clone();
	foreach (DiagramLink link in outLinks)
		link.Origin = e.Container;

	DiagramLinkCollection inLinks = e.Node.IncomingLinks.Clone();
	foreach (DiagramLink link in inLinks)
		link.Destination = e.Container;
}


You might keep the original nodes connected to a links in a Hashtable associated with the container, for example through its Tag property, and restore the links' Oriign and Destination in a similar manner when ContainerChildRemoved is raised.

I hope that helps,
Stoyan
  
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