TListLast (Delphi)

Description

This example inserts two records into a list object and displays the contents of the last record in the list on the form.

Code

procedure TForm1.Button1Click(Sender: TObject);
type
  PMyList = ^AList;
  AList = record
    I: Integer;
    C: Char;
  end;
var
  MyList: TList;
  ARecord: PMyList;
  I: integer;
begin
  MyList := TList.Create;
  New(ARecord);
  ARecord^.I := 100;
  ARecord^.C := 'Z';
  MyList.Add(ARecord); { Add integer 100 and character Z to the list. }
  New(ARecord);
  ARecord^.I := 200;
  ARecord^.C := 'X';
  MyList.Add(ARecord); { Add integer 200 and character X to the list. }
  ARecord := MyList.Last;
  Canvas.TextOut(10, 10, IntToStr(ARecord^.I)); { Display I. }
  Canvas.TextOut(10, 40, ARecord^.C);  { Display C. }
  { Cleanup: must free the list items as well as the list. }
  for I := 0 to (MyList.Count - 1) do
  begin
    ARecord := MyList.Items[I];
    Dispose(ARecord);
  end;
  MyList.Free;
end;

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

Uses

• System.Classes.TList.Last ( fr | de | ja )