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Check Box Status of Tree ctrl
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Raj.krishnan View Drop Down
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Joined: 16 January 2006
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Points: 44 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Raj.krishnan Quote  Post ReplyReply Direct Link To This Post Topic: Check Box Status of Tree ctrl
    Posted: 26 November 2007 at 1:33am
Hello,
 
Does anybody which MFC message will come for the checkbox of treectrl afetr i chceked or unchecked
 
Thanks in Advance 
Raj
Software Engineer
eGrabber Inc
http://vcfreax.blogspot.com/
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Oleg View Drop Down
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Points: 11234 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Oleg Quote  Post ReplyReply Direct Link To This Post Posted: 26 November 2007 at 3:16am
Hi,
TreeCtrl doesn't send such message :(
Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS
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Raj.krishnan View Drop Down
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Points: 44 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Raj.krishnan Quote  Post ReplyReply Direct Link To This Post Posted: 26 November 2007 at 3:44am
Then how will i get if i have checkboxes for items in treectrl
Raj
Software Engineer
eGrabber Inc
http://vcfreax.blogspot.com/
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Oleg View Drop Down
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Points: 11234 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Oleg Quote  Post ReplyReply Direct Link To This Post Posted: 26 November 2007 at 9:59am
Catch WM_LBUTTONDOWN and check state before and after. Same for WM_KEYDOWN:
 
void CTreeViewCtrl::OnLButtonDown(UINT nFlags, CPoint point)
{
 CTreeViewNode* pItem = 0;
 BOOL bChecked = FALSE;
 if (m_bCheckboxes)
 {
  UINT nFlags;
  HTREEITEM hItem = GetTreeCtrl()->HitTest(point, &nFlags);
  if (hItem && (nFlags & TVHT_ONITEMSTATEICON))
  {
   pItem = GetItem(hItem);
   bChecked = GetTreeCtrl()->GetCheck(hItem);
  }
 }
 
 COleControl::OnLButtonDown(nFlags, point);
 if (pItem && (pItem->OleGetChecked() != bChecked))
 {
  FireNodeCheck(pItem->GetIDispatch(FALSE));
 }
}
Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS
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