pb11.5 调用C++ com组件的有关问题

pb11.5 调用C++ com组件的问题
要用pb调用一个dll 在ole object insert 中找到这个dll 加载成功 并用regserv32 也加载成功 但是ole中始终看不到这个类

用vs2010 引用这个dll 的实例是这样写的


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using FULLTUNNELCONTROLLib;
using System.Runtime.InteropServices;
using System.Threading;

namespace qxt
{
    public delegate void CallBack(String BS_flag, String BS_svalue1, String BS_svalue2, String BS_svalue3, String BS_svalue4, String BS_svalue5, String BS_svalue6, String BS_svalue7, String BS_svalue8);
        
    public partial class Form1 : Form
    {
        public Form1(){
            InitializeComponent();
            textBox2.Text = "";
            textBox3.Text = "";
            this.textBox4.Text = "";
        }

        private void button1_Click(object sender, EventArgs e)
        {
            FullTunnelServiceControl ctr1 = new FullTunnelServiceControl();
            ctr1 = new FullTunnelServiceControl();

            string strControl_type = "connect";
            string strName =this.textBox2.Text.Trim();
            string strPwd = this.textBox3.Text.Trim();
            string strServerip = "";
            string strServerport = "";

            object hr = ctr1.StartAndManageConnect_User(ref strName, ref strPwd, ref strServerip, ref strServerport);
            if (hr.ToString() == "0")
            {        //链接成功
                SetText( "连接认证成功");
            }
            else
                SetText(hr.ToString());
        }

        private void button2_Click(object sender, EventArgs e)
        {
 /*           string strControl_type = "send";
            string strName = "";               //用户名
            string strPwd = "";                  //密码
            string strSenderr = "";
            string strServerip = "";
            string strServerport = "";
            string strSendtype = "1";
            string strBackstr = "1";
            string strSourcecode="";
            string strDestcode = "";        //发送的号码
            string strContent="";
            string strComid="1";
            string strNeedreceipt="1";
            string strAccessNum="";
            string seqID;

            FullTunnelServiceControl ctr1 = new FullTunnelServiceControl();
            object oOut = null;