去掉滚动条的两种办法

//官方
 InitializeFlatSB(m_hWnd);
 FlatSB_EnableScrollBar(m_hWnd, SB_BOTH,  ESB_DISABLE_BOTH);
 FlatSB_ShowScrollBar(m_hWnd,   SB_VERT,   FALSE);
//技巧
void CMyTreeCtrl::OnNcCalcSize(BOOL bCalcValidRects, NCCALCSIZE_PARAMS* lpncsp)
{
 CWnd::OnNcCalcSize(bCalcValidRects,   lpncsp);
 if( bCalcValidRects)
 {
  lpncsp->rgrc[0].right+=::GetSystemMetrics(SM_CXVSCROLL);
 }
 //CTreeCtrl::OnNcCalcSize(bCalcValidRects, lpncsp);
}