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Hierarchical tree (merged) [message #481567]

Thu, 04 November 2010 05:31

indxe
Messages: 4
Registered: May 2008
Location: Jordan

Junior Member

Hello,

I have built a Hierarchical tree and i populates it from recordgroup using Ftree.Add_Tree_Data function, at run time when i expand the tree nodes for the first time to see child node every thing is OK, but when i try to collapse the nnod and expand it again the children nodes are populated again,i mean that after second expansion the nodes are repeated.

how can i solve this problem?

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Re: Hierarchical tree (merged) [message #481590 is a reply to message #481567]

Thu, 04 November 2010 08:22

Littlefoot
Messages: 21818
Registered: June 2005
Location: Croatia, Europe

Senior Member
Account Moderator

What happens if you expand nodes once again (i.e. for the third time)? Are they triplicated? (I suppose they are)

If so, it seems that you are calling a function (that populates the tree) every time nodes are expanded. So - don't do that more than once.

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Re: Hierarchical tree (merged) [message #481822 is a reply to message #481590]

Sun, 07 November 2010 01:08

indxe
Messages: 4
Registered: May 2008
Location: Jordan

Junior Member

I m calling a function that populate the tree from when-tree-node expanded trigger, is that true?

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Re: Hierarchical tree (merged) [message #481903 is a reply to message #481822]

Mon, 08 November 2010 03:50

cookiemonster
Messages: 13938
Registered: September 2008
Location: Rainy Manchester

Senior Member

Only you could know if that's true - it's your form.
As to whether it's correct - seems obvious from the trigger name that you're going to get the effect you are complaining about.
Try populating the tree in when-new-form-instance.

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