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Retrieving selected items

Posted by Zafir Anjum on August 6th, 1998
To retrieve the index of the first selected item use GetNextItem(). As its name implies, you can use also use the GetNextItem() function to retrieve the index of the next selected item. The code below prints out the indices of all selected items to the debug window. 
// This code prints out the indices of selected items to debug win
 int i = GetNextItem( -1, LVNI_ALL | LVNI_SELECTED);
 while( i != -1 )
 {
	TRACE("%d\n", i );
	i = GetNextItem( i, LVNI_ALL | LVNI_SELECTED);
 }
 

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Comments

  • some modification

    Posted by Legacy on 04/21/2002 12:00am

    Originally posted by: Alexey Popov 

    int start=-1;


    do

    {

    start=ListView_GetNextItem(m_hWndListView, start, LVNI_SELECTED);

    if (start!=-1)

    {

    // put your code here

    }

    else

    {

      break;

    }

    }

    while (/*start != -1*/ true);

    Reply

  • SetItemData Works fine for me with a Dlg

    Posted by Legacy on 01/26/2001 12:00am

    Originally posted by: David Smulders 

    m_List.SetItemData(nRow, reinterpret_cast<DWORD>(new CString(m_Text)));


     	 

    void CMyDlg::OnItemchangedList(NMHDR* pNMHDR, LRESULT* pResult) 

    {

    	NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;


            if (pNMListView && pNMListView->uOldState != pNMListView->uNewState)

    	{

    		if ((pNMListView->uNewState & LVIS_SELECTED) == LVIS_SELECTED)

    		{

    			CString* pString = reinterpret_cast<CString*>(m_List.GetItemData(pNMListView->iItem));


    			if (pString)

    			{

    				m_Output= *pString;

    				UpdateData(FALSE);

    			}

    		}

    	}


    	*pResult = 0;

    }

    Reply

  • Example did not work; but MSDN solution did

    Posted by Legacy on 02/06/2000 12:00am

    Originally posted by: Gerard Nicol 

    When using the defined solution; loop kept returning item 0.

    Although, in theory it should have worked.


    The solution from MSDN is:


    CListCtrl* pListCtrl = (CListCtrl*) GetDlgItem(IDC_YOURLISTCONTROL);

    ASSERT(pListCtrl != NULL);


    POSITION pos = pList->GetFirstSelectedItemPosition();

    if (pos == NULL)

       TRACE0("No items were selected!\n");

    else

    {

       while (pos)

       {

          int nItem = pList->GetNextSelectedItem(pos);

          TRACE1("Item %d was selected!\n", nItem);

          // you could do your own processing on nItem here

       }

    }


    This did work.

    Reply

  • So simple, yet so perfect . . .

    Posted by Legacy on 09/15/1999 12:00am

    Originally posted by: Andon M. Coleman

    Good work yet again, Zafir :)

    Reply
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