c# Keylogger Türkçe karakter hatası ??

 globalKeyboardHook ghook;

       

        public Form1()

        {

            

            InitializeComponent();

        }



        private void button1_Click(object sender, EventArgs e)

        {

            ghook.hook();

        }



        private void Form1_Load(object sender, EventArgs e)

        {

            ghook = new globalKeyboardHook();

            ghook.KeyDown += new KeyEventHandler(ghook_KeyDown);

            foreach (Keys key in Enum.GetValues(typeof(Keys)))

                ghook.HookedKeys.Add(key);

        }

        public void ghook_KeyDown(object sender, KeyEventArgs e)

        {

            textBox1.Text += ((char)e.KeyValue).ToString();

        }



        private void button2_Click(object sender, EventArgs e)

        {

            ghook.unhook();

        }

            foreach (Keys key in Enum.GetValues(typeof(Keys)))
                ghook.HookedKeys.Add(key);

        public int hookProc(int code, int wParam, ref keyboardHookStruct lParam)