E2003 Undeclared identifier: 'mtConfirmation' and 'mbOK' - delphi

Question

From what I can tell both of those are supposed to be in System.UITypes, which I'm using, but I still get the error message. How can I fix this?
I've based the message dialog from the example in http://docwiki.embarcadero.com/CodeExamples/XE7/en/FileExists_(Delphi)
The original code came from http://delphi.radsoft.com.au/2013/11/checking-for-an-internet-connection-on-mobile-devices-with-delphi-xe5/
unit Unit1;
interface
uses
System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,
FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs, FMX.StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Label1: TLabel;
Label2: TLabel;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.fmx}
uses
NetworkState;
procedure TForm1.Button1Click(Sender: TObject);
var
NS: TNetworkState;
begin
NS := TNetworkState.Create;
try
if not NS.IsConnected then begin
MessageDlg(('No connection'), mtConfirmation, [mbOK], 0);
end else if NS.IsWifiConnected then begin
MessageDlg(('Wifi connection'), mtConfirmation, [mbOK], 0);
end else if NS.IsMobileConnected then begin
MessageDlg(('Mobile connection'), mtConfirmation, [mbOK], 0);
end;
Label2.Text := NS.CurrentSSID;
finally
NS.Free;
end;
end;
end.

Answer 1

The enumerated types in this unit are scoped. Note the use of
{$SCOPEDENUMS ON}
right at the top of the unit.
The $SCOPEDENUMS directive enables or disables the use of scoped
enumerations in Delphi code. More specifically, $SCOPEDENUMS affects
only definitions of new enumerations, and only controls the addition
of the enumeration's value symbols to the global scope.
In the {$SCOPEDENUMS ON} state, enumerations are scoped, and enum
values are not added to the global scope. To specify a member of a
scoped enum, you must include the type of the enum.
That means that need to fully scope the values, like this
TMsgDlgType.mtConfirmation
and like this
TMsgDlgBtn.mbOK
and so on.