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unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls;

  type
    TMyHintWindow = class(THintWindow)
    constructor Create(AOwner: TComponent); override;
  end;

type
  TForm1 = class(TForm)
    Edit1: TEdit;
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

//힌트윈도우와 관련된 부분
constructor TMyHintWindow.Create;
begin
  inherited Create(AOwner);
  Canvas.Font.Name := '굴림체';
  Canvas.Font.Size := 20;
end;

{$R *.DFM}

procedure TForm1.FormCreate(Sender: TObject);
var
  OldShowHint: Boolean;
begin
  // 힌트윈도우와 관련된 부분
  OldShowHint          := Application.ShowHint;
  Application.ShowHint := False;
  HintWindowClass      := TMyHintWindow;
  Application.ShowHint := OldShowHint;
end;

end.