CTreeCtrl - getting an item position

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+1 Q:

CTreeCtrl - getting an item position

Is there a way of getting the position (index) of an item in a CTreeCtrl?
I am interested in the index of a node at its particular level.

I was thinking to maintain the item positions within the item "data" field, but the problem is that my tree is sorted and I cannot predict the position an item will receive (well, only if I sort the items in advance which I would like to avoid).

+1 A:

I don't think you can. I assumed that maybe the control could be treated as an array (maybe it still can but I can't find a reference).

Anyways, there are no member functions (according to the MFC API) that give you access to that information

cbrulak 2009-01-27 15:59:25

Can you think of a way of bypassing this issue? I was thinking to maintain the item positions within the item "data" field, but the problem is that my tree is sorted and I cannot predict the position an item will receive.

Dana 2009-01-27 16:18:32

Get the node handle and then iterate over the elem Iterate over all the elements, while you count the elements, till you reach the right item?

PoweRoy 2009-01-27 15:59:40

I was hoping to do it a bit more efficiently than that. My tree can be quite large.

Dana 2009-01-27 16:16:30

If you're not using it already, put the index into the Tag field as you add items to the tree-structure (remembering to rebuild when you remove elements)

Ray Hayes 2009-01-27 16:31:03

ansaurus

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CTreeCtrl - getting an item position

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