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begin
 Form2:= Form2.Create(Self);
 Form2.Show;
end;					

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TForm(FindComponent('Form2_3')).Caption:= 'mein neues caption';					

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procedure TForm2.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  Action := caFree;
end;					

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unit Unit1;
// Thomas Wassermann explido-software.de
interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
  FList:TComponentList;
    { Private-Deklarationen }
  public
    { Public-Deklarationen }
  end;

var
  Form1: TForm1;

implementation
uses Unit2;
{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  i:Integer;
begin
   i := FList.Add(TForm2.Create(Self));
   TForm(FList[i]).Show;
   TForm(FList[i]).Caption := 'Form ' + IntToStr(i);
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  Showmessage(IntToStr(FLIst.Count));
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
   FList:=TComponentList.Create;
   FList.OwnsObjects := true;
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
   FList.Free;
end;

end.