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just2click
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Sotping Collapse
Oct 18th, 2006 at 9:47am
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Hi again,

Thanks for your help the last time.
I have yet another question.
Is it possible to trap the actual 'collapse' event and change it?

I have a situation where I'm using a tree type graph. It is however possible to have "weak" relations between sibling (i.e. the have a common child).

My problem is that whenever I try to collapse the sibling FlowChart "sees" as parent it collapses the other sibling to.

Is there a way to prevent this?

Thanks in advnace,

Dror
  
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Stoyo
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Re: Sotping Collapse
Reply #1 - Oct 18th, 2006 at 10:30am
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Hi,

Yes, you could set the flowchart.EventFlags(fOverrideTreeExpanding) = true and handle the BoxExpanded and BoxCollapsed events to implement your own expand/collapse logic. If in some situation you could use the standard expand functionality, call the Expand or Collapse methods of the Box class.

I hope that helps,
Stoyan
  
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just2click
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Re: Sotping Collapse
Reply #2 - Oct 18th, 2006 at 12:47pm
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Thanks Stoyo it did the trick  Roll Eyes
  
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just2click
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Partial Collapse Stoping?
Reply #3 - Oct 23rd, 2006 at 5:57am
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Hi again,

Following my original question, is it possible to trap and handle only some of the collapse click (when event flags fOverrideTreeExpanding is false).

I'm having problems when I try to handle collapsing of boxes within a container.

My predecessor have developed a method that recursively collapses a try. This method is used outside the box ( Roll Eyes). When applied within the box it crashes the entire ActiveX.

Any suggestions?

Thanks in advance,

Dror
  
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Stoyo
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Re: Sotping Collapse
Reply #4 - Oct 23rd, 2006 at 7:42am
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Hi,

There is no way to prevent the event from firing for some boxes. Can't you check if the clicked box is in a container and if so - don't call that method?

Stoyan
  
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just2click
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Re: Sotping Collapse
Reply #5 - Oct 23rd, 2006 at 7:57am
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Thanks again for your timly response.

I tried that.

The problem is that if I turn FC collapse event off I cannot use it inside the container (which gives me better results inside). On the other hand, when I enable FC collapse it collapses every box it identifies as a child (logically). My application includes several types of relations and I only need to collapse a specifc type.

Is it at all possible?

Thanks

Dror
  
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Stoyo
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Re: Sotping Collapse
Reply #6 - Oct 23rd, 2006 at 9:16am
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Why can't you use it inside the container - isn't the event raised if a box is contained within another one?

Stoyan
  
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just2click
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Re: Sotping Collapse
Reply #7 - Oct 23rd, 2006 at 11:17am
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Thanks Stoyo man

I've resolved it in a different way.
I'm manually deleting both arrows and boxes thus ensuring no object is left un handled.

Thanks
  
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