[nixon232]

Все верно. и решение тогда логичное и простое

Код:

...

type
  TForm2 = class(TForm)
    btn1: TButton;
    Image1: TImage;
    procedure btn1Click(Sender: TObject);
    procedure GetScreen;
  private
    { Private declarations }
  public
    { Public declarations }

  end;
....