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TlistView and scrollbars

Posted on 2001-06-26
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Last Modified: 2007-11-27
Hi there,

I would like to be able to remove the horizontal scrollbar from a tlistview.

the listview has a viewstyle set to vsReport.

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Question by:fadyg
3 Comments
 
LVL 13

Expert Comment

by:Epsylon
ID: 6228219
Keep the columns within the margins...
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LVL 8

Accepted Solution

by:
Cesario earned 300 total points
ID: 6228370
Hello fadyg

Try this ;-)


 TForm1 = class(TForm)
   ListView1: TListView;
   procedure FormCreate(Sender: TObject);
   procedure FormDestroy(Sender: TObject);
 private
   FListViewWndProc: TWndMethod;
   procedure ListViewWndProc(var Message: TMessage);
 public
 end;

implementation

{$R *.DFM}

procedure TForm1.ListViewWndProc(var Message: TMessage);
begin
 ShowScrollBar(ListView1.Handle, SB_HORZ, False); // hide horiz scrollbar
 FListViewWndProc(Message); // process message
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
 ListView1.Items[0].Left := 300;
 FListViewWndProc := ListView1.WindowProc; // save old window proc
 ListView1.WindowProc := ListViewWndProc; // subclass
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
 ListView1.WindowProc := FListViewWndProc; // restore window proc
 FListViewWndProc := nil;
end;

This will hide the horizontal scrollbar again and again whenever it receives *any* message, which is
an overkill, normally you would only hide it after receiving specific messages making the scrollbar
visible. I don't know which these are... As I said, this example is very raw.

Best Regards

Cesario

// This comment was postet 3 weeks ago
0
 

Author Comment

by:fadyg
ID: 6252355
sorry for being late on this one,

as you said "very raw".
I tried to check which messages needed to be trapped but could not. So trapping them all is the best way. Overkill but works

thanks !
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