/*姬昂于2004-10月添加递归算法,实现树控件的全选,反选,取消的集合操作*/
void CXmRecive::RetrievesAllSiblingTreeSetCheck(CTreeCtrl* pTreeCtrl/* = NULL */,
            HTREEITEM Item/* = NULL */,
            BOOL IsSelected/* = FALSE */,
            BOOL IsReverse/* = FALSE*/)
{
 
 if (!Item)
  return ;
 
 if (!IsReverse)
  pTreeCtrl->SetCheck(Item,IsSelected);
 else
  pTreeCtrl->SetCheck(Item,!pTreeCtrl->GetCheck(Item));
 
 RetrievesAllSiblingTreeSetCheck(pTreeCtrl,pTreeCtrl->GetChildItem(Item),IsSelected,IsReverse);
 
 RetrievesAllSiblingTreeSetCheck(pTreeCtrl,pTreeCtrl->GetNextSiblingItem(Item),IsSelected,IsReverse);
}