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Normal Topic Attaching an Object to a ShapeNode (Read 1492 times)
gringogordo
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Attaching an Object to a ShapeNode
Nov 13th, 2007 at 8:46am
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Hi,

I've just started playing with this so sorry if this is obvious...

I'm trying to associate objects (for sake of argument could be just an Id (int)) with the shapenodes on my diagram.  Is there a way to do this and not have it displayed as text. 

I guess as an example it could be a list of names with Ids so three shapenodes with the same shape might display John Smith, Joe Evans, Carol Jones while being associated with the (hidden) Ids 1, 2 and 3.

Sorry slight overkill on the explanation of the question there...!

I'm assuming it must be possible but I can't see any properties which I can use (changing the ShapeId not surprisingly changes the Id for all shapenodes associated with that shape)

Thanks...
  
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Stoyo
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Re: Attaching an Object to a ShapeNode
Reply #1 - Nov 13th, 2007 at 8:57am
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Hi,

You can create your own class that derives from ShapeNode and add an ID property to it. To let users create items of your type, set the view.Behavior to Custom and the view.CustomNodeType to typeof(your_node_class). For an example showing how to use custom types with FlowChart.NET, check the IconNodes sample project.

A more simple solution is to assign the id to the item's Tag property. An additional "bonus" is that you will be able to use the FindNode method of Diagram to search for nodes by their tag/ID.

I hope that helps,
Stoyan
  
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gringogordo
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Re: Attaching an Object to a ShapeNode
Reply #2 - Nov 13th, 2007 at 9:39am
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Woops should have looked for a tag property Embarrassed

Thanks for the help.
  
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