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Normal Topic Preventing changes on  certain nodes (Read 3045 times)
oOAnriOo
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Preventing changes on  certain nodes
Dec 2nd, 2009 at 2:07pm
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..another one for the community.:

I have some nodes on my drawing that i don't want the user to change. Normally I'd just set .locked=true, but i still need the users to be able to click them and drop items on them.

I use the Diagram.GetNodeAt(position) function to retrieve the node below a drop or click, but that one doesn't work with locked objects.

Is there any other way i can prevent the user from modifying a node?
  
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Stoyo
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Re: Preventing changes on  certain nodes
Reply #1 - Dec 2nd, 2009 at 2:21pm
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GetNodeAt(point, false, whatever) will return Locked nodes too.

I hope that helps,
Stoyan
  
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Re: Preventing changes on  certain nodes
Reply #2 - Dec 2nd, 2009 at 2:26pm
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Roll Eyes Real coders NEVEr read manuals  Embarrassed

Sorry..  Should've spotted that one..
  
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Re: Preventing changes on  certain nodes
Reply #3 - Dec 2nd, 2009 at 2:32pm
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8)
  
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Re: Preventing changes on  certain nodes
Reply #4 - Dec 3rd, 2009 at 1:57pm
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Is there any way to reach the anchorpoints on a locked object? (except programmatically)
  
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Re: Preventing changes on  certain nodes
Reply #5 - Dec 3rd, 2009 at 2:32pm
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Do you mean you need to connect a link to the node? That won't work for locked nodes; instead of the Locked property, you might try setting EnabledHandles = None in such case. This will prevent moving or resizing the node, but allow creating links.
  
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Re: Preventing changes on  certain nodes
Reply #6 - Dec 8th, 2009 at 10:45am
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Yep..  Thats it..
Thanks again.
  
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