状态栏怎样添加进度条

状态栏怎样添加进度条,
我写的代码,不能实现?
//在状态栏上创建进度条
CRect rect;
m_wndStatusBar.GetItemRect(0,&rect);
rect.right+=100;
    if(!m_pressbar.Create(PBS_SMOOTH|WS_CHILD|WS_VISIBLE,rect,
&m_wndStatusBar,IDC_PROGRESS1))
{
AfxMessageBox("create progressbar fault");
return -1;
}
      m_progress.SetRange(0,100);
      m_progress.SetStep(2);