[Aristarh Dark]

Сделал 2 разных варианта, оба работают:

Код:

unit Unit1;

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;
  TSomeObject = class
    private
      FButFlag:Cardinal;
      FBut1:TButton;
      FBut2:TButton;
      procedure But1Click(Sender:TObject);
      procedure But2Click(Sender:TObject);
    public
      constructor Create(AButParent:TWinControl);
      destructor Destroy;override;
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

{ TSomeObject }

procedure TSomeObject.But1Click(Sender: TObject);
begin
  FButFlag:=1;
  Destroy;
end;

procedure TSomeObject.But2Click(Sender: TObject);
begin
  FButFlag:=2;
  Free;
  Sender.Free;
end;

constructor TSomeObject.Create(AButParent: TWinControl);
begin
  FBut1:=TButton.Create(AButParent);
  with FBut1 do
    begin
      Parent:=AButParent;
      Caption:='test 1';
      Left:=100;
      Top:=100;
      OnClick:=But1Click;
    end;
  FBut2:=TButton.Create(AButParent);
  with FBut2 do
    begin
      Parent:=AButParent;
      Caption:='test 2';
      Left:=200;
      Top:=100;
      OnClick:=But2Click;
    end;
end;

destructor TSomeObject.Destroy;
begin
  case FButFlag of
    1:
      begin
        FreeAndNil(FBut1);
        FreeAndNil(FBut2);
      end;
    2:
      begin
        FreeAndNil(FBut1);
      end;
  end;
  inherited;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  TSomeObject.Create(Self);
end;

end.