RE: Win32Lib: Possible problem with eraseItems() against a tree view?
Less than a second? On this Win2K machine (I think the processor is
1gHz) it takes 15 seconds. Even if your machine is a 2+ GHZ that
shouldn't make a 15 second difference.
Jonas
Derek Parnell wrote:
>
>
> Yes there could be a problem. However it has been caused by the way that
> treeview has been implemented in the library. In win32lib, all treeview
> items in all treeviews are stored in RAM and a set of single sequences
> is
> used to manage them. This means that to delete an item, the library has
> to
> free up the RAM for that item and them delete its management data from
> four
> sequences. And on a slow machine that could be noticible. I can delete
> the
> entire sequence because other treeviews might be sharing it, so I have
> to
> remove each item seperately.
>
> On my home machine, the example you supplied takes a lot less than a
> second
> to clear the old data. I wouldn't have even noticed unless you pointed
> it
> out.
>
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