main.pas

《Kylix程序设计》一书中附带的例程源代码

unit Main;

interface

uses
  SysUtils, Types, Classes, Variants, QGraphics, QControls, QForms, QDialogs,
  QStdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

uses Stack;

{$R *.xfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  Stack: TStack;
  Item: Real;
  str: string;
begin
  Stack := TStack.Create( 1 );
  Stack.Push( 1.01 );
  Stack.Push( 2.02 );
  Stack.Pop( Item );
  Stack.Push( 3.03 );
  str := '';
  while Stack.Pop( Item ) do
    str := str + FloatToStr( Item ) + ' ';
  Caption :=  str;
end;

end.