[Рудольф]

Код:

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    OpenDialog1: TOpenDialog;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}
function open1:string;
 begin
  if OpenDialog1.Execute then
   open1:=OpenDialog1.filename;
 end;
procedure TForm1.Button1Click(Sender: TObject);
var
name:string;
begin
name:=open1;
end;

end.