Re: CListCtrl derived class and disabling item selection

"AliR \(VC++ MVP\)" <AliR@online.nospam>
Thu, 15 Feb 2007 16:35:16 GMT
Oh One more thing, when you are unselecting an item but you still want the
focus rect around the item then you might want to do this instead
if (....)


    //disable the item but still draw the focus rect




"AliR (VC++ MVP)" <AliR@online.nospam> wrote in message

Here is how I would do it. I would catch the LVN_ITEMCHANGED message for
the list ctrl and check to see if the item is being selected. If it is and
it is disabled then I would simply unselected it.

//every other item is disabled!
BOOL CMyListCtrl::IsItemDisabled(UINT ItemID)
  return ItemID % 2 != 0;

void CMyListCtrl::OnLvnItemchanged(NMHDR *pNMHDR, LRESULT *pResult)
   //if item is being selected and is diabled
  if (IsItemDisabled(pNMLV->iItem) && (pNMLV->uNewState & LVIS_SELECTED)
       //unselect it!
  *pResult = 0;


"German Koninin" <> wrote in message

Hello everybody.
I have a CListCtrl derived class wich is also owner draw. Now I need to
disable selecting items. So user should be able to see the list and be
able to scroll it and everything. But selecting items should be disabled.
I wrote a handle for OnLButtonDown which give me an opportunity to handle
mouse button clicking and so user can't select the item by mouse. But it
is still possible by arrows. I tried to handle VKeyToItem but it aseems
never get called. So in my case how can I disable selecting items by
arrows also. Or is there any better way to do that all together?
PS: I was looking for some properties for a CListCtrl but didn't find
anything useful.

German Koninin

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