INTERF~1.PAS

program InegertInput;

uses
  App, Objects, Drivers, Views, Dialogs, MsgBox, IntInput;

type
  PMyApp = ^TMyApp;
  TMyApp = object(TApplication)
    procedure Run; virtual;
    procedure HandleEvent(var Event: TEvent); virtual;
    procedure ShowDateDialog;
  end;

procedure TMyApp.HandleEvent(var Event: TEvent);
begin
  TApplication.HandleEvent(Event);
  if Event.What = evCommand then
  begin
    case Event.Command of
      cmNew: ShowDateDialog;
    else
      Exit;
    end;
    ClearEvent(Event);
  end;
end;

procedure TMyApp.ShowDateDialog;
var
  D: PDialog;
  R: TRect;
  InputLine: PInputInt;
  inputValue: LongInt;
  s: string;
begin
  R.Assign(0, 0, 60, 12);
  R.Move(10, 2);
  D := New(PDialog, Init(R, 'Entering an integer number'));
  R.Assign(15, 2, 45, 4);
  R.Move(6, 0);
  D^.Insert(New(PStaticText,Init(R,'Range: [-100, 100]')));
  R.Assign(8, 4, 35, 5);
  R.Move(3, 0);
  D^.Insert(New(PStaticText,Init(R,'Enter your integer number:')));
  R.Assign(6, 5, 45, 6);
  R.Move(5, 0);
  InputLine := New(PInputInt, Init(R, 255, -100, 100));
  D^.Insert(InputLine);
  R.Assign(22, 7, 36, 9);
  D^.Insert(New(PButton, Init(R, '~O~K', cmOk, bfDefault)));
  if Desktop^.ExecView(D) = cmOk then
  begin
    if InputLine^.Valid(0) then
    begin
      InputLine^.GetData(inputValue);
      str(inputValue, s);
      MessageBox('You entered: ' + s, nil, mfInformation + mfOkButton);
    end;
  end;
  Dispose(D, Done);
end;

procedure TMyApp.Run;
begin
  ShowDateDialog;
end;

var
  MyApp: TMyApp;
  
begin
  MyApp.Init;
  MyApp.Run;
  MyApp.Done;
end.