unit Unit1;

interface

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

type
  TForm2 = class(TForm)
    Button1: TButton;
    Edit1: TEdit;
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
const
  WM_TestMessage = WM_USER + 2000;
var
  Form2: TForm2;
  myhwnd:hwnd;
function HookOn(lpHwnd:HWND):bool;stdcall;external 'OLHookdll.dll' name 'sethook';
function hookoff(lpHwnd:HWND):Bool;stdcall;external 'OLHookdll.dll' name 'endhook';

implementation

{$R *.dfm}

procedure TForm2.FormCreate(Sender: TObject);
begin
  myhwnd:=findwindow(nil,'口袋西游');
  if myhwnd<>0 then
  begin
    if HookOn(myhwnd) then
    EDIT1.Text:='$'+inttohex(myhwnd,8);
  end;
end;


procedure TForm2.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  if myhwnd<>0 then
    hookoff(myhwnd);
end;

procedure TForm2.Button1Click(Sender: TObject);
begin
  if myhwnd<>0 then
  begin
    sendmessage(myhwnd,WM_TestMessage,0,0);
  end;
end;

end.