Bjorn, are you certified? Perhaps that's your problem ;^)
On Tue, Nov 25, 2008 at 21:57, Ashish Verma <[EMAIL PROTECTED]> wrote: > Hello All, > > I want to be Flex Certified. from where i can get the Demo Test Papers. > > Thanks > Ashish > > On Fri, Nov 21, 2008 at 10:51 PM, bjorn <[EMAIL PROTECTED]> wrote: >> >> I experienced some problems with ArrayCollection's removeItemAt(). It >> seemed to work... randomly. >> >> Tucked away in the documentation i found this little gem: >> "Note: If you use the ICollectionView interface to sort or filter a >> collection, do not use the IList interface to manipulate the data, because >> the results are indeterminate." >> >> My problem, of course, was that I had a sort on the ac, and that I used >> IList's removeItemAt(). >> >> I don't understand the rationale behind this, maybe someone can explain to >> me why it's difficult to implement removeItemAt() on a >> sorted ArrayCollection ... I mean, I _am_ working with sorted data here, so >> when I say index 11 I mean index 11 on the sorted data. That's the data I >> see, that's the data I'm using, I don't need to know anything about the >> underlying Array and the element's _real index_ ....the ArrayCollection >> knows which element this refers to in the underlying Array, so there >> shouldn't be a problem ...? >> >> Anyway, given the restraints we're working with here - what is the best >> way to approach this? I need to be able to remove items from a sorted >> ArrayCollection - any best practices? >> >> Bjørn >> -- >> ========================== >> http://www.juicability.com - flex blog >> http://www.expressionengine.no - ExpressionEngine; the world's most >> flexible cms > >
