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Necroman
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Move group of nodes in diagram
Apr 20th, 2010 at 12:36pm
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Hi, I've got a question. If I have selected group of nodes and related links in diagram and I want to move such nodes and links to another place in diagram, all that in code, how to do that? Moving nodes is simple by changing its position, but when I move the nodes, the middle points of links are not moved with it. Also if I try to move those link joins by a delta value in code, the links get screwed. I use polyline links, not cascaded.
Thanks for help
  
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Stoyo
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Re: Move group of nodes in diagram
Reply #1 - Apr 20th, 2010 at 12:56pm
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Hi,

Try using the MoveSelection method from this post:
http://mindfusion.eu/Forum/YaBB.pl?board=wpfdg_disc;action=display;num=122710007...

You'll have to change the Point variables to PointF.

I hope that helps,
Stoyan
  
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Necroman
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Re: Move group of nodes in diagram
Reply #2 - Apr 20th, 2010 at 3:26pm
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Thanks, that works, somehow.

But another rather theoretical question, why DiagramNodeCollection does not implement IEnumerable<DiagramNode> ??? The same question is also for DiagramLinkCollection.
  
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Re: Move group of nodes in diagram
Reply #3 - Apr 20th, 2010 at 5:34pm
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Because they are not generic collections, just old fashioned CollectionBase-derived classes, so they support the non-generic IEnumerable. We've never seen a reason to change them to generic classes after .NET 2 introduced them I guess.
  
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