public void sendMessage()

        {

            IntPtr ip = IntPtr.Zero;

            if (Regex.IsMatch(text_Intptr.Text.Trim(), @"^[a-fA-F0-9]+$"))

                ip = (IntPtr)Convert.ToInt32(text_Intptr.Text.Trim(), 16);

            else

            {

                ip = FindWindow("TXGuiFoundation", TextBox_Title.Text.Trim());

                if (ip.ToInt32() == 0)

                    ip = GetIntPtr();

                if (ip == IntPtr.Zero)

                {

                    MessageBox.Show("请输入正确的标题");

                    return;

                }

            }

            SetForegroundWindow(ip);

            SetActiveWindow(ip);

            var str = "";

            var rtf = "";

            richTextBox1.Invoke(new MethodInvoker(() => { str = richTextBox1.Text.Trim(); rtf = richTextBox1.Rtf.Trim(); }));

            while (true)

            {

                if (ip.ToInt32() == GetForegroundWindow().ToInt32())

                {

                    foreach (byte c in Encoding.Default.GetBytes(str))

                    {

                        SendMessage(ip.ToInt32(), 0x101, (int)c, 1);

                        SendMessage(ip.ToInt32(), 0x102, (int)c, 1);

               &n