CListCtrl 使用技巧

1. CListCtrl 風格
      LVS_ICON: 爲每個item顯示大圖標
      LVS_SMALLICON: 爲每個item顯示小圖標
      LVS_LIST: 顯示一列帶有小圖標的item
      LVS_REPORT: 顯示item詳細資料

直觀的理解：windows資源管理器，“查看”標籤下的“大圖標，小圖標，列表，詳細資料”

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2. 設置listctrl 風格及擴展風格
      LONG lStyle;
      lStyle = GetWindowLong(m_list.m_hWnd, GWL_STYLE);//獲取當前窗口style
      lStyle &= ~LVS_TYPEMASK; //清除顯示方式位
      lStyle |= LVS_REPORT; //設置style
      SetWindowLong(m_list.m_hWnd, GWL_STYLE, lStyle);//設置style

      DWORD dwStyle = m_list.GetExtendedStyle();
      dwStyle |= LVS_EX_FULLROWSELECT;//選中某行使整行高亮（只適用與report風格的listctrl）
      dwStyle |= LVS_EX_GRIDLINES;//網格線（只適用與report風格的listctrl）
      dwStyle |= LVS_EX_CHECKBOXES;//item前生成checkbox控件
      m_list.SetExtendedStyle(dwStyle); //設置擴展風格

      注：listview的style請查閱msdn
      http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wceshellui5/html/wce50lrflistviewstyles.asp

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3. 插入數據
      m_list.InsertColumn( 0, "ID", LVCFMT_LEFT, 40 );//插入列
      m_list.InsertColumn( 1, "NAME", LVCFMT_LEFT, 50 );
      int nRow = m_list.InsertItem(0, “11”);//插入行
      m_list.SetItemText(nRow, 1, “jacky”);//設置數據

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4. 一直選中item
選中style中的Show selection always，或者在上面第2點中設置LVS_SHOWSELALWAYS

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5. 選中和取消選中一行
    int nIndex = 0;
    //選中
    m_list.SetItemState(nIndex, LVIS_SELECTED|LVIS_FOCUSED, LVIS_SELECTED|LVIS_FOCUSED);
    //取消選中
    m_list.SetItemState(nIndex, 0, LVIS_SELECTED|LVIS_FOCUSED);

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6. 得到listctrl中所有行的checkbox的狀態
      m_list.SetExtendedStyle(LVS_EX_CHECKBOXES);
      CString str;
      for(int i=0; i<m_list.GetItemCount(); i++)
      {
           if( m_list.GetItemState(i, LVIS_SELECTED) == LVIS_SELECTED || m_list.GetCheck(i))
           {
                str.Format(_T("第%d行的checkbox爲選中狀態"), i);
                AfxMessageBox(str);
           }
      }

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7. 得到listctrl中所有選中行的序號

      方法一：
      CString str;
      for(int i=0; i<m_list.GetItemCount(); i++)
      {
           if( m_list.GetItemState(i, LVIS_SELECTED) == LVIS_SELECTED )
           {
                str.Format(_T("選中了第%d行"), i);
                AfxMessageBox(str);
           }
      }

      方法二：
      POSITION pos = m_list.GetFirstSelectedItemPosition();
      if (pos == NULL)
           TRACE0("No items were selected!/n");
      else
      {
           while (pos)
           {
                int nItem = m_list.GetNextSelectedItem(pos);
                TRACE1("Item %d was selected!/n", nItem);
                // you could do your own processing on nItem here
           }
      }

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8. 得到item的信息
      TCHAR szBuf[1024];
      LVITEM lvi;
      lvi.iItem = nItemIndex;
      lvi.iSubItem = 0;
      lvi.mask = LVIF_TEXT;
      lvi.pszText = szBuf;
      lvi.cchTextMax = 1024;
      m_list.GetItem(&lvi);

      關於得到設置item的狀態，還可以參考msdn文章
      Q173242: Use Masks to Set/Get Item States in CListCtrl
               http://support.microsoft.com/kb/173242/en-us

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9. 得到listctrl的所有列的header字符串內容
      LVCOLUMN lvcol;
      char str[256];
      int   nColNum;
      CString strColumnName[4];//假如有4列

      nColNum = 0;
      lvcol.mask = LVCF_TEXT;
      lvcol.pszText = str;
      lvcol.cchTextMax = 256;
      while(m_list.GetColumn(nColNum, &lvcol))
      {
           strColumnName[nColNum] = lvcol.pszText;
           nColNum++;
      }

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10. 使listctrl中一項可見，即滾動滾動條
m_list.EnsureVisible(i, FALSE);

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11. 得到listctrl列數
int nHeadNum = m_list.GetHeaderCtrl()->GetItemCount();

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12. 刪除所有列
      方法一：
         while ( m_list.DeleteColumn (0))
       因爲你刪除了第一列後，後面的列會依次向上移動。

      方法二：
      int nColumns = 4;
      for (int i=nColumns-1; i>=0; i--)
          m_list.DeleteColumn (i);

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13. 得到單擊的listctrl的行列號
      添加listctrl控件的NM_CLICK消息相應函數
      void CTest6Dlg::OnClickList1(NMHDR* pNMHDR, LRESULT* pResult)
      {
           // 方法一：
           /*
           DWORD dwPos = GetMessagePos();
           CPoint point( LOWORD(dwPos), HIWORD(dwPos) );

           m_list.ScreenToClient(&point);

           LVHITTESTINFO lvinfo;
           lvinfo.pt = point;
           lvinfo.flags = LVHT_ABOVE;

           int nItem = m_list.SubItemHitTest(&lvinfo);
           if(nItem != -1)
           {
                CString strtemp;
                strtemp.Format("單擊的是第%d行第%d列", lvinfo.iItem, lvinfo.iSubItem);
                AfxMessageBox(strtemp);
           }
          */

          // 方法二:
          /*
           NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
           if(pNMListView->iItem != -1)
           {
                CString strtemp;
                strtemp.Format("單擊的是第%d行第%d列",
                                pNMListView->iItem, pNMListView->iSubItem);
                AfxMessageBox(strtemp);
           }
          */
           *pResult = 0;
      }

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14. 判斷是否點擊在listctrl的checkbox上
      添加listctrl控件的NM_CLICK消息相應函數
      void CTest6Dlg::OnClickList1(NMHDR* pNMHDR, LRESULT* pResult)
      {
           DWORD dwPos = GetMessagePos();
           CPoint point( LOWORD(dwPos), HIWORD(dwPos) );

           m_list.ScreenToClient(&point);

           LVHITTESTINFO lvinfo;
           lvinfo.pt = point;
           lvinfo.flags = LVHT_ABOVE;

           UINT nFlag;
           int nItem = m_list.HitTest(point, &nFlag);
           //判斷是否點在checkbox上
           if(nFlag == LVHT_ONITEMSTATEICON)
           {
                AfxMessageBox("點在listctrl的checkbox上");
           }
           *pResult = 0;
      }

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15. 右鍵點擊listctrl的item彈出菜單
      添加listctrl控件的NM_RCLICK消息相應函數
      void CTest6Dlg::OnRclickList1(NMHDR* pNMHDR, LRESULT* pResult)
      {
           NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
           if(pNMListView->iItem != -1)
           {
                DWORD dwPos = GetMessagePos();
                CPoint point( LOWORD(dwPos), HIWORD(dwPos) );

                CMenu menu;
                VERIFY( menu.LoadMenu( IDR_MENU1 ) );
                CMenu* popup = menu.GetSubMenu(0);
                ASSERT( popup != NULL );
                popup->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y, this );
           }
           *pResult = 0;
}

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16. item切換焦點時(包括用鍵盤和鼠標切換item時)，狀態的一些變化順序
      添加listctrl控件的LVN_ITEMCHANGED消息相應函數
      void CTest6Dlg::OnItemchangedList1(NMHDR* pNMHDR, LRESULT* pResult)
      {
           NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
           // TODO: Add your control notification handler code here

           CString sTemp;

           if((pNMListView->uOldState & LVIS_FOCUSED) == LVIS_FOCUSED &&
            (pNMListView->uNewState & LVIS_FOCUSED) == 0)
           {
                sTemp.Format("%d losted focus",pNMListView->iItem);
           }
           else if((pNMListView->uOldState & LVIS_FOCUSED) == 0 &&
               (pNMListView->uNewState & LVIS_FOCUSED) == LVIS_FOCUSED)
           {
                sTemp.Format("%d got focus",pNMListView->iItem);
           }

           if((pNMListView->uOldState & LVIS_SELECTED) == LVIS_SELECTED &&
            (pNMListView->uNewState & LVIS_SELECTED) == 0)
           {
                sTemp.Format("%d losted selected",pNMListView->iItem);
           }
           else if((pNMListView->uOldState & LVIS_SELECTED) == 0 &&
            (pNMListView->uNewState & LVIS_SELECTED) == LVIS_SELECTED)
           {
                sTemp.Format("%d got selected",pNMListView->iItem);
           }

           *pResult = 0;
      }

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17. 得到另一個進程裏的listctrl控件的item內容
http://www.codeproject.com/threads/int64_memsteal.asp

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18. 選中listview中的item
Q131284: How To Select a Listview Item Programmatically
http://support.microsoft.com/kb/131284/en-us

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19. 如何在CListView中使用CListCtrl的派生類
http://www.codeguru.com/cpp/controls/listview/introduction/article.php/c919/

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20. listctrl的subitem添加圖標
m_list.SetExtendedStyle(LVS_EX_SUBITEMIMAGES);
m_list.SetItem(..); //具體參數請參考msdn

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21. 在CListCtrl顯示文件，並根據文件類型來顯示圖標
      網上找到的代碼，share
      BOOL CTest6Dlg::OnInitDialog()
      {
           CDialog::OnInitDialog();

           HIMAGELIST himlSmall;
           HIMAGELIST himlLarge;
           SHFILEINFO sfi;
           char cSysDir[MAX_PATH];
           CString strBuf;

           memset(cSysDir, 0, MAX_PATH);

           GetWindowsDirectory(cSysDir, MAX_PATH);
           strBuf = cSysDir;
           sprintf(cSysDir, "%s", strBuf.Left(strBuf.Find("//")+1));

           himlSmall = (HIMAGELIST)SHGetFileInfo ((LPCSTR)cSysDir,
                      0,
                      &sfi,
                      sizeof(SHFILEINFO),
                      SHGFI_SYSICONINDEX | SHGFI_SMALLICON );

           himlLarge = (HIMAGELIST)SHGetFileInfo((LPCSTR)cSysDir,
                      0,
                      &sfi,
                      sizeof(SHFILEINFO),
                      SHGFI_SYSICONINDEX | SHGFI_LARGEICON);

           if (himlSmall && himlLarge)
           {
                ::SendMessage(m_list.m_hWnd, LVM_SETIMAGELIST,
                             (WPARAM)LVSIL_SMALL, (LPARAM)himlSmall);
                ::SendMessage(m_list.m_hWnd, LVM_SETIMAGELIST,
                             (WPARAM)LVSIL_NORMAL, (LPARAM)himlLarge);
           }
           return TRUE; // return TRUE unless you set the focus to a control
      }

      void CTest6Dlg::AddFiles(LPCTSTR lpszFileName, BOOL bAddToDocument)
      {
           int nIcon = GetIconIndex(lpszFileName, FALSE, FALSE);
           CString strSize;
           CFileFind filefind;

           // get file size
           if (filefind.FindFile(lpszFileName))
           {
                filefind.FindNextFile();
                strSize.Format("%d", filefind.GetLength());
           }
           else
                strSize = "0";

           // split path and filename
           CString strFileName = lpszFileName;
           CString strPath;

           int nPos = strFileName.ReverseFind('//');
           if (nPos != -1)
           {
                strPath = strFileName.Left(nPos);
                strFileName = strFileName.Mid(nPos + 1);
           }

           // insert to list
           int nItem = m_list.GetItemCount();
           m_list.InsertItem(nItem, strFileName, nIcon);
           m_list.SetItemText(nItem, 1, strSize);
           m_list.SetItemText(nItem, 2, strFileName.Right(3));
           m_list.SetItemText(nItem, 3, strPath);
      }

      int CTest6Dlg::GetIconIndex(LPCTSTR lpszPath, BOOL bIsDir, BOOL bSelected)
      {
           SHFILEINFO sfi;
           memset(&sfi, 0, sizeof(sfi));

           if (bIsDir)
           {
            SHGetFileInfo(lpszPath,
                         FILE_ATTRIBUTE_DIRECTORY,
                         &sfi,
                         sizeof(sfi),
                         SHGFI_SMALLICON | SHGFI_SYSICONINDEX |
                         SHGFI_USEFILEATTRIBUTES |(bSelected ? SHGFI_OPENICON : 0));
            return sfi.iIcon;
           }
           else
           {
            SHGetFileInfo (lpszPath,
                         FILE_ATTRIBUTE_NORMAL,
                         &sfi,
                         sizeof(sfi),
                         SHGFI_SMALLICON | SHGFI_SYSICONINDEX |
                         SHGFI_USEFILEATTRIBUTES | (bSelected ? SHGFI_OPENICON : 0));
            return   sfi.iIcon;
           }
           return -1;
      }

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22. listctrl內容進行大數據量更新時，避免閃爍
      m_list.SetRedraw(FALSE);
      //更新內容
      m_list.SetRedraw(TRUE);
      m_list.Invalidate();
      m_list.UpdateWindow();

或者參考

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_mfc_cwnd.3a3a.setredraw.asp

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23. listctrl排序
Q250614：How To Sort Items in a CListCtrl in Report View
http://support.microsoft.com/kb/250614/en-us

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24. 在listctrl中選中某個item時動態改變其icon或bitmap
Q141834: How to change the icon or the bitmap of a CListCtrl item in Visual C++
http://support.microsoft.com/kb/141834/en-us

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25. 在添加item後，再InsertColumn()後導致整列數據移動的問題
Q151897: CListCtrl::InsertColumn() Causes Column Data to Shift
http://support.microsoft.com/kb/151897/en-us

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26. 關於listctrl第一列始終居左的問題
解決辦法：把第一列當一個虛列，從第二列開始插入列及數據，最後刪除第一列。

具體解釋參閱 http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/commctls/listview/structures/lvcolumn.asp

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27. 鎖定column header的拖動
http://msdn.microsoft.com/msdnmag/issues/03/06/CQA/

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28. 如何隱藏clistctrl的列
把需隱藏的列的寬度設爲0,然後檢測當該列爲隱藏列時，用上面第27點的鎖定column 的拖動來實現

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29. listctrl進行大數據量操作時，使用virtual list
http://www.microsoft.com/msj/archive/S2061.aspx
http://www.codeguru.com/cpp/controls/listview/advanced/article.php/c4151/
http://www.codeproject.com/listctrl/virtuallist.asp

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30. 關於item只能顯示259個字符的問題
解決辦法：需要在item上放一個edit。

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31. 響應在listctrl的column header上的鼠標右鍵單擊
Q125694: How To Find Out Which Listview Column Was Right-Clicked
http://support.microsoft.com/kb/125694/en-us

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32. 類似於windows資源管理器的listview
Q234310: How to implement a ListView control that is similar to Windows Explorer by using DirLV.exe
http://support.microsoft.com/kb/234310/en-us

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33. 在ListCtrl中OnTimer只響應兩次的問題
Q200054：
PRB: OnTimer() Is Not Called Repeatedly for a List Control
http://support.microsoft.com/kb/200054/en-us

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34. 以下爲一些爲實現各種自定義功能的listctrl派生類
(1) 拖放
http://www.codeproject.com/listctrl/dragtest.asp

                   在CListCtrl和CTreeCtrl間拖放
                   http://support.microsoft.com/kb/148738/en-us

          (2)    多功能listctrl
                   支持subitem可編輯，圖標，radiobutton，checkbox，字符串改變顏色的類
                   http://www.codeproject.com/listctrl/quicklist.asp

                   支持排序，subitem可編輯，subitem圖標，subitem改變顏色的類
                   http://www.codeproject.com/listctrl/ReportControl.asp

(3) subitem中顯示超鏈接
http://www.codeproject.com/listctrl/CListCtrlLink.asp

(4) subitem的tooltip提示
http://www.codeproject.com/listctrl/ctooltiplistctrl.asp

          (5)    subitem中顯示進度條
                   http://www.codeproject.com/listctrl/ProgressListControl.asp
                   http://www.codeproject.com/listctrl/napster.asp
                   http://www.codeguru.com/Cpp/controls/listview/article.php/c4187/

          (17) 改變ListCtrl高亮時的顏色(默認爲藍色)
                   處理 NM_CUSTOMDRAW
           http://www.codeproject.com/listctrl/lvcustomdraw.asp

(18) 改變header顏色
http://www.pocketpcdn.com/articles/hdr_color.html

本文來自CSDN博客，轉載請標明出處：http://blog.csdn.net/lixiaosan/archive/2006/04/07/653563.aspx

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