[NumLock]

Код:

unit Unit1;

interface

uses
  pngimage,
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms;

type
  TForm1 = class(TForm)
    procedure FormPaint(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormPaint(Sender: TObject);
var
  png: TPNGObject;
begin
  png:=TPNGObject.Create;
  png.LoadFromFile('d:\Downloads\Untitled-1.png');
  png.Draw(Canvas, Rect(0, 0, png.Width, png.Height));
  png.Free;
end;

end.