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Add a horizontal scrollbar to a listbox


Submitted on: 8/5/2000 11:56:06 PM
By: Bryan Hammond  
Level: Intermediate
User Rating: By 1 Users
Compatibility:Delphi 5, Delphi 4

Users have accessed this article 7913 times.
     This code will add a horizontal scrollbar to a standard TListBox component using win32 api.

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procedure TForm1.Timer1Timer(Sender: TObject);
i,len,width: integer;
  with listbox1 do
  width := 0;
  for i := 0 to items.count -1 do
  len := canvas.textwidth(items[i]);
  if len > width then width := len;
  //set listbox's horizontal scrollbar width

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Other User Comments
10/11/2000 3:02:20 AM:Nicky Sciberras
I think that the variable 'width' should be changed to something else (eg width1) as it is effecting the listbox's width as it is.
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4/10/2002 11:49:02 AM:samar
its really help ful for me as i am beginer in delphi so
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5/10/2002 3:22:06 AM:Petr Langer
boxlen := listbox.Perform(LB_GETHORIZONTALEXTENT, 0, 0) can also be useful for getting scrollbar size.
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