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Normal Topic Readonly Diagram View. (Read 3129 times)
SandeepGowda
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Readonly Diagram View.
Mar 4th, 2009 at 1:42pm
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hi,
Can we populate a Diagram view readonly, something
like user is not allowed to delete task,delete links but allow only select.

regards
sandeep
  
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Stoyo
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Re: Readonly Diagram View.
Reply #1 - Mar 4th, 2009 at 2:04pm
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Hi,

Set Behavior = Modify and DelKeyActyon = None.

I hope that helps,
Stoyan
  
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SandeepGowda
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Re: Readonly Diagram View.
Reply #2 - Mar 4th, 2009 at 2:38pm
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hi,
can you please tell me which method is this DelKeyActyon = None.

regards
sandeep
  
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Stoyo
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Re: Readonly Diagram View.
Reply #3 - Mar 4th, 2009 at 2:57pm
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It's a property of DiagramView.

I hope that helps,
Stoyan
  
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Aziz ur Rahman
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Re: Readonly Diagram View.
Reply #4 - Mar 7th, 2009 at 12:05pm
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It is not a complete solution because user can still SELECT a node using mouse and resize it.

Can we really make the view READONLY? I tried to make Enabled=False but it will disable the scroll bars as well.

my current temporary solution is
Enabled=False
ResizeToFit()

Please post a complete solution
  
Syed Aziz ur Rahman
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Stoyo
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Re: Readonly Diagram View.
Reply #5 - Mar 8th, 2009 at 10:48am
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You could use the DoNothing behavior. It will disable selection, but you could select nodes in response to the NodeClicked event. Another possibility is to use Modify, but call e.CancelDrag from the LinkModifying and NodeModifying handlers.

I hope that helps,
Stoyan
  
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Aziz ur Rahman
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Re: Readonly Diagram View.
Reply #6 - Mar 17th, 2009 at 10:31am
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This solution will have one problem.

The user will not be able to modify any link or nodes but still he will see the anchors (i.e. he can select it) This will not look like a perfect readonly view. I have done one more thing. I have set all the items (links or nodes) to be locked.

  For Each item As DiagramItem In myDiagram.Items
         item.Locked = True
  Next

This will create a perfect read only view...
  
Syed Aziz ur Rahman
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Stoyo
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Re: Readonly Diagram View.
Reply #7 - Mar 17th, 2009 at 12:34pm
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If you want to disable even selection of items, just set DiagramView.Behavior = DoNothing.

I hope that helps,
Stoyan
  
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