unit Main;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

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

var
  Form1: TForm1;

implementation

{$R *.dfm}

// BeginExample: SystemSwap
// Routine: System.Swap

// BeginCode
{
This example demonstrate use of the System Swap function to
exchange the high and low portions of a word.
}
procedure TForm1.Button1Click(Sender: TObject);
var
  W: Word;
begin
  W := Swap($1234);
  ShowMessage(Format('The swapped value of $1234 = $%x', [W]));
end;
// EndCode
// EndExample: SystemSwap

end.
