For academic reasons, I would like to be able to create a listview
(pref) to view the contents of a very large log file.  I want to do
this by making the listview virtual, so my machines memory isn't
consumed.  Does anyone have an example of this or some pointers?  I
have searched the news and the demos and have found nothing except the
treeview, but that confused me more, since it dealt with the shell.

Brandon
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In article <6q5k9s8n28gr7qfic0v71gusnp7rvsr...@4ax.com>, Brandon Lilly
wrote:

Have you looked at \Delphi\Demos\Virtual ListView ?

 Mike Orriss (TeamB)
 (Unless stated otherwise, my replies relate to Delphi 4.03/5.00)
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On Fri, 04 Feb 2000 07:50:11 GMT, "Mike Orriss (TeamB)"

Yeah, and it used a bunch of shell stuff that confused the hell out of
me.  I am wanting to see any sample (or whatever) that discusses
having a real-time view of an updating log file, with a virtual
listview.  I continue to look at the demo, but nothing is becoming
very clear.  

Just hoping someone would have a sample of what I was looking for,
since it seems to me to be a fairly common topic.

Brandon
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I created one in ViewStyle=vsReport and all I needed was the
OnData event.  Also you must set OwnerData to True.  The
other events are cool but are not necessarily needed,
depending on what you are doing.

OnData is where you tell the TListView where to get the data
when it needs to find it.  For example, if your data is
stored in a TStringList called Strings, then put this code
in the OnData event:

Item.Caption:=Strings[Item.Index];

Also, you must tell the TListView how many Items there are
(in your file in your case).  For example (in my case):

Items.Count:=Strings.Count;

This is a very simple example but it should get you started.

Lance Olvey

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email address.

You can try for these purposes TFlyTreeView Rapid Edition
(http://www.imcasys.com/flytree.htm)- (100% Delphi VCL (not MsTreeView
shell), fastest tree in the world) which have a columns which can work in
virtual mode

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