Re: CListView with checkbox problem

=?Utf-8?B?OTc2MTI=?= <>
Mon, 16 Feb 2009 18:12:11 -0800
I got another problem. When I click a thumbnail image, the
"hitinfo.flags != LVHT_ONITEMSTATEICON" still true, and the program
returned. I don't know if I use the wrong way?

Below is my source code:
void CThumbView::OnLvnItemchanged(NMHDR *pNMHDR, LRESULT *pResult)
    // TODO: Add your control notification handler code here
    CListCtrl& ListCtrl = GetListCtrl();
    LVHITTESTINFO hitinfo;
    *pResult = 0;

    //Copy click point = pNMLV->ptAction;

    //Make the hit test...
    int nItem = ListCtrl.HitTest(&hitinfo);
    //No click on image item, return
    if(hitinfo.flags != LVHT_ONITEMSTATEICON)

    //Image item hit
    CePhotoSyncDoc* pDoc = (CePhotoSyncDoc*)GetDocument();
    pDoc->SelectItem( pNMLV->iItem );
    pDoc->UpdateAllViews(this, UPDATE_PREVIEW);

"97612" wrote:

Thanks for your help, it works.

Thanks a lot.

"Tom Serface" wrote:

You could check if the user clicked on the state icon:

    *pResult = 0;

 //Copy click point = pNMListView->ptAction;

 //Make the hit test...
 int nItem = m_cList.HitTest(&hitinfo);

 if(hitinfo.flags != LVHT_ONITEMSTATEICON)
      return; // Didn't click on an icon


"97612" <> wrote in message

I use CListView to draw the thumbnail of a image list. And I want to add
checkbox for the image list. When I select a thumbnail, the CListView will
trigger the "OnLvnItemchanged" event to let another view to show the
image of the selected image.
My problem is that when I use
"ListCtrl.SetExtendedStyle(ListCtrl.GetStyle()|LVS_EX_CHECKBOXES )", the
"OnLvnItemchanged" is trigger by the initial operation for checkbox. This
not I expected, how can I solve the problem?

Thanks for your help.

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