Windows-Schriftgröße herausfinden (Large, Small)

function IsLargeFont: boolean;
var
  fontsize : integer;
  hdc : Thandle;
begin
  result := false;
  hdc := GetDc(hwnd_desktop);
  fontsize := GetDeviceCaps(hdc,logpixelsx);
  ReleaseDc(hwnd_desktop,hdc);
  if fontsize = 96 then result := false
  else if fontsize = 120 then result := true;
end;