unit Unit1;    interface    uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs;    type
  TForm1 = class(TForm)
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;    var
  Form1: TForm1;    implementation    {$R *.DFM}    procedure TForm1.FormCreate(Sender: TObject);
var  pc:pchar;
     strtitle:string;
     isfound:hwnd;
begin
   getmem(pc,255);
   strtitle:=application.Title;
   application.title:='我的程式名稱';
   strpcopy(pc,strtitle);
   isfound:=findwindow(nil,pc);
   Application.Title:=strtitle;
   if isfound<>0 then  begin
     showwindow(isfound,SW_RESTORE);
     application.Terminate;
   end;
   freemem(pc);
end;        end.