线程的应用解决办法

void CThreadTestDlg::OnCustomdrawSlider1(NMHDR* pNMHDR, LRESULT* pResult) 
{                                                                            
    // TODO: Add your control notification handler code here
    CString sValue="";
    
    edit_value=(12-(float)m_slider.GetPos()/2);//得到的是编辑框中要显示的值
    data=pow(10,edit_value/20);//得到将要发给下位机的值
    slider_pos=m_slider.GetPos();
    FloToHex(0,data);
    Send_Addr(addr);
    Gain_param(slider_pos,Addr_Gain_In[0],0x01);
    
    sValue.Format("%.1f",edit_value);
        SetDlgItemText(IDC_EDIT1,sValue+"dB");
    *pResult = 0;
}

DWORD WINAPI CThreadTestDlg::ThreadFunc(LPVOID lpParam)
{
    CThreadTestDlg*pThread=(CThreadTestDlg*)lpParam;
    CByteArray sendbyte;
    while(TRUE)
    {
        const char bVal[13]={0xc3,0xa5,0x0d,0x01,pThread->add[0],pThread->add[1],pThread->Wei,pThread->BarValue[0][0],
            pThread->BarValue[0][1],pThread->Hexdat[0][0],pThread->Hexdat[0][1],pThread->Hexdat[0][2],pThread->Hexdat[0][3]};
            sendbyte.RemoveAll();
            sendbyte.SetSize(13);
            for (UINT i=0;i<13;i++)
                sendbyte.SetAt(i,bVal[i]);
        
            serial_port.SetOutput(COleVariant(sendbyte));
        Sleep(1000);
    }
    return 0;
}