unit Unit1;
 
interface
 
uses
  SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;
 
type
  TForm1 = class(TForm)
    Edit1: TEdit;
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.DFM}
 
Type
  TMyHintWindow = Class (THintWindow)
    Constructor Create (AOwner: TComponent); override;
    end;
 
Constructor TMyHintWindow.Create (AOwner: TComponent);
Begin
  Inherited Create (Aowner);
  Canvas.Font.Name := 'Times New Roman';
  Canvas.Font.Size := 14;
  end;
 
procedure TForm1.FormCreate(Sender: TObject);
begin
  Application.ShowHint := False;
  HintWindowClass := TMyHintWindow;
  Application.ShowHint := True;
end;
 
end.