控件ListCtrl 点击表头排序

//回调函数 排序（回调函数要声明为static）
int CALLBACK CSortListctrl::CompareFunc(LPARAM lParam1,LPARAM lParam2,LPARAM lParamSort)
{
 CSortListctrl * p = (CSortListctrl *)lParamSort;
 CString str1, str2;
 int iCompRes;
 str1  = p->GetItemText(lParam1, p->m_nSortedCol);
 str2 = p->GetItemText(lParam2, p->m_nSortedCol);
 iCompRes = str1.Compare(str2);

 if (!p->m_fAsc)
  return iCompRes;
 else
  return (iCompRes * (-1));
}

//函数 m_nSortedCol是当前选中的列 int m_nSortedCol,bool m_fAsc
void CSortListctrl::OnColumnClick(NMHDR* pNMHDR, LRESULT* pResult)
{
 NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
 if (pNMListView->iSubItem == m_nSortedCol)
  m_fAsc = !m_fAsc;
 else
 {
  m_fAsc = TRUE;
  m_nSortedCol = pNMListView->iSubItem;
 }
 int iTemCount = this->GetItemCount();
 for (int i = 0; i < iTemCount; ++i)
 {
  this->SetItemData(i,i);
 }
 this->SortItems(CompareFunc, (LPARAM)(this));
 *pResult = 0;
}
 ON_NOTIFY_REFLECT(LVN_COLUMNCLICK, OnColumnClick)//事件