Re: CListCtrl sort not working
This article should help you:
http://support.microsoft.com/kb/250614
Tom
"Bill Brehm >" <<don't want spam> wrote in message
news:eProxrioIHA.548@TK2MSFTNGP06.phx.gbl...
I have a CListCtrl. In response to pressing one of the columns, I process
the LVN_COLUMNCLICK notification by calling SortItems() and providing a
callback. The two parameters coming to my callback function are always
zero. The documentation implies that the two parameters are indexes of two
rows to be compared. I did a search and found this FAQ
http://www.celticwolf.com/FAQs/CListCtrl_FAQ.html#Q14 that says those
parameters are really the 32 bit data item stored in the row item. I
confirmed this. Unfortunately the FAQ doesn't suggest how this should be
used. I did try to set the data item equal to the index of the row item and
the first sort works. Problem is, a subsequent sort doesn't work because
now the data item no longer matches the actual index of the row item. I
suppose I could change the data items depending on whether I pass back a
positive, zero or negative value, but it seems to me I shouldn't have to do
that and also, it seems to me that the data item loses it's usefulness if I
just have to store an index in it.
So how is a sort meant to work?
Thanks...
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