Delphi Source Code
Search engine
HOME Components Tutorials Add Trick Links Contacts
ActiveX Components Database Files Forms Graphic Internet/Lan Math Miscellaneous Multimedia Printing Strings System Information Windows

Delphi source code for Components >> Move items in a listbox


Category: Components
Title: Move items in a listbox
Date added: 15.03.2006
Hits: 8226



procedure LbMoveItemUp(AListBox: TListBox);
var
  CurrIndex: Integer;
begin
  with AListBox do
    if ItemIndex > 0 then
    begin
      CurrIndex := ItemIndex;
      Items.Move(ItemIndex, (CurrIndex - 1));
      ItemIndex := CurrIndex - 1;
    end;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  LbMoveItemUp(ListBox1);
end;

procedure LbMoveItemDown(AListBox: TListBox);
var
  CurrIndex, LastIndex: Integer;
begin
  with AListBox do
  begin
    CurrIndex := ItemIndex;
    LastIndex := Items.Count;
    if ItemIndex <> -1 then
    begin
      if CurrIndex + 1 < LastIndex then
      begin
        Items.Move(ItemIndex, (CurrIndex + 1));
        ItemIndex := CurrIndex + 1;
      end;
    end;
  end;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  LbMoveItemDown(ListBox1);
end;


Related Delphi Source Code:
Delphi Tricks
Delphi Tricks
For any problems or recommendations about Delphi Tricks site, please

feel free to contact us on that e-mail: support@delphitricks.com.
If you want to advertise on the site use that e-mail: advertise@delphitricks.com.

You can freely use or modify these Delphi source codes for non-commercial use. We are not responsible of any damages that can be caused by the utilisation of that source codes.

Copyright © 2006-2010 AVSoftware Company. All rights reserved.
Hide IP tricks