unit Unit1;    interface    uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls;    type
  TForm1 = class(TForm)
    Button1: TButton;
    Memo1: TMemo;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;    var
  Form1: TForm1;    implementation    {$R *.DFM}    procedure TForm1.Button1Click(Sender: Tobject);
var HCurrentWindow: HWND;
   szText: array[0..254] of char;
begin
  HCurrentWindow := GetWindow(Handle, GW_Hwndfirst);
  begin
    while HCurrentWindow <> 0
      do
    begin
      if GetWindowtext(HCurrentWindow, @sztext, 255) > 0 then
        Memo1.Lines.Add(Strpas(@szText));
      HCurrentWindow := GetWindow(HCurrentWindow, GW_HwndNext);
    end;
  end;
end;
end.