On 2 feb 2010, at 20.25, Banupriya K wrote:
> I have an outlineview to display n number of groups(Example: Grp1, Grp2 etc),
> each can have n number of items, same item can be present in many groups.
It seems that you have missed this requirement from the outline view
documentation:
"NSOutlineView requires that each item in the outline view be unique."
j o a r
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