procedure TForm1.PaintBox1Paint(Sender: TObject);
var
 graphicsGDIPlus : TGPGraphics;
 Image: TGPImage;
 R:TGPRect;
begin
graphicsGDIPlus := TGPGraphics.Create(PaintBox1.Canvas.Handle);
Image:= TGPBitmap.Create('...\...\.png');
R := MakeRect(0, 0, 25, 25);
graphicsGDIPlus.DrawImage(Image,R);
Image.Free;
graphicsGDIPlus.Free;
end;