Re: CListView not inserting items

From:
"MK" <michaelkatsilis@yahoo.com>
Newsgroups:
microsoft.public.vc.language
Date:
16 Sep 2006 08:07:17 -0700
Message-ID:
<1158419237.311716.252970@b28g2000cwb.googlegroups.com>
Hi Charles,

Thanks for your response, I appreciate it. I think I used the header
control because the header row wasn't visible either. But that could
have been due to not setting

cs.style |= LVS_SHOWSELALWAYS | LVS_REPORT;

and once I got the header control working, I didn't bother with the
columns. Am I correct in assuming that you're implying that the code
that inserts via the header control is actually creating columns (this
is something I wanted to confirm)? I'll try inserting columns again and
see how I go.

I also ran the code with the call to the Reset() method commented out,
but that didn't make a difference. The idea of the Reset() method is to
refresh the list with completely new entries similar to Windows
Explorer does. So, when an item in the tree control is clicked, a list
of items are populated in the list control.

So, going back to the columns. In the existing code, if I insert a new
column before I populate (Insert & SetItemText) the existing columns in
the Populate() method, then it actually inserts an item in that column
but no sub items.

Charles Calvert wrote:

On 10 Sep 2006 18:14:04 -0700, "MK" <michaelkatsilis@yahoo.com> wrote
in <1157937243.893810.81420@e3g2000cwe.googlegroups.com>:

I
cannot get the list view to show any values other than the column
headings.


[snip]

int CefsmView::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
   if (CListView::OnCreate(lpCreateStruct) == -1)
       return -1;

   // Setup the columns
   CHeaderCtrl * hc = mobjListCtrl.GetHeaderCtrl();


This isn't related, but why are you getting the header control instead
of just using CListCtrl::InsertColumn()?

void CefsmView::Populate(const CString & sItemName)
{
   // sItemName is being passed into the method ok

   Reset();


You just deleted all of the columns that you so carefully inserted via
Cefsm::OnCreate(). If you have no columns, no items will be
displayed. Check your Reset function:

[snip]

void CefsmView::Reset(void)
{
   mobjListCtrl.DeleteAllItems();
   while(objListCtrl.DeleteColumn(0));
   UpdateWindow();
}


Why are you deleting the columns?
--
Charles Calvert | Software Design/Development
Celtic Wolf, Inc. | Project Management
http://www.celticwolf.com/ | Technical Writing
(703) 580-0210 | Research

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