Get Keyboard Information

function KeyBoardType: string;
begin
  case GetKeyboardType(0) of
    1: Result := 'IBM PC/XT or compatible (83-key) keyboard';
    2: Result := 'Olivetti "ICO" (102-key) keyboard';
    3: Result := 'IBM PC/AT (84-key) or similar keyboard';
    4: Result := 'IBM enhanced or compatible';
    5: Result := 'Nokia 1050 and similar keyboards';
    6: Result := 'Nokia 9140 and similar keyboards';
    7: Result := 'Japanese keyboard'
      else
        Result := 'Unrecognized keyboard type';
  end;
end;

function KeyBoardSubype: Integer;
begin
  Result := GetKeyboardType(1);
end;

function NumberOfFunctionKeys: string;
begin
  case GetKeyboardType(3) of
    1: Result := '20';
    2: Result := '12/18';
    3: Result := '10';
    4: Result := '12';
    5: Result := '10';
    6: Result := '24';
    7: Result := 'Hardware dependent'
      else
        Result := 'N/A';
  end;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  label1.Caption := Format('Keyboard Type: %s', [KeyBoardType]);
  Label2.Caption := Format('Keyboard Subtype: %d', [KeyBoardSubype]);
  Label3.Caption := Format('Keyboard Subtype: %s', [NumberOfFunctionKeys]);
end;