Re: CListCtrl Flickers on Vista

From:
"Scot T Brennecke" <ScotB@MVPs.spamhater.org>
Newsgroups:
microsoft.public.vc.mfc
Date:
Tue, 5 May 2009 00:16:51 -0500
Message-ID:
<#g6xzCUzJHA.140@TK2MSFTNGP03.phx.gbl>
Try giving the control the extended style LVS_EX_DOUBLEBUFFER, but only when using comctl32 v6
(Unicode only).

"Siddu" <Siddu@discussions.microsoft.com> wrote in message
news:772EF6C2-EFAC-444F-9A75-0BEEA60927C0@microsoft.com...

Below is the code which closely resembles what I am trying to do -

CListCtrl m_list;
...
...
bool break = false;
vector<vector<CString>> list_vector;
vector<CString> item;
while(!break)
{
if( /*cursor moved*/ )
{
for(int i = 0; i< NoOfRows; i++)
{
item.push_back("Data1");
item.push_back("Data2");
item.push_back("Data3");
item.push_back("Data4");
item.push_back("Data5");
item.push_back("Data6");
list_vector.push_back(item);
}

std::sort( list_vector.begin(), list_vector.end(), SortList)
vector<vector<CString>>::iterator listItr;

m_list.SetRedraw(false);
for( listItr = list_vector.begin(); listItr != list_vector.end();
++listItr )
{
//code to insert vector items in list
}
m_list.SetRedraw(true);
}
...
...
if(/*some condtition*/)
break = true;
}

"Siddu" wrote:

Hi,
My application uses a dialog with CListCtrl in report view, this list
control gets updated heavily and frequently. To stop flickering during
update, I have used SetRedraw(FALSE) before the update operation, like-

This trick is working fine with Win XP, but its unable to stop flickering on
Vista.
I have also tried LockWindowUpdate(), but the problem remains.

Is there any known issue with using CListCtrl on Vista?
What else could be tried to stop Flickering?

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