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            road420

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            LIST控件

            CListCtrl使用技巧

            以下未經說明,listctrl默認view 風格為report


            1. CListCtrl 風格

                  LVS_ICON: 為每個item顯示大圖標
                  LVS_SMALLICON: 為每個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”標簽下的“大圖標,小圖標,列表,詳細資料”



            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

             


            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

             


            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



            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);
             


            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為選中狀態"), i);
                            AfxMessageBox(str);
                       }
                  }



            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
                       }
                  }



            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);

                  關于得到設置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



            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++;
                  }



            10. 使listctrl中一項可見,即滾動滾動條

                m_list.EnsureVisible(i, FALSE);


            11. 得到listctrl列數

                int nHeadNum = m_list.GetHeaderCtrl()->GetItemCount();


            12. 刪除所有列

                  方法一:
                     while ( m_list.DeleteColumn (0))
                   因為你刪除了第一列后,后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);



            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;
                  }

             


            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;
                  }



            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;
              }


             


            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;
                  }




            17. 得到另一個進程里的listctrl控件的item內容

            http://www.codeproject.com/threads/int64_memsteal.asp



            18. 選中listview中的item

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



            19. 如何在CListView中使用CListCtrl的派生類

            http://www.codeguru.com/cpp/controls/listview/introduction/article.php/c919/



            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

             


            21. 在CListCtrl顯示文件,并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;
                  }



            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



            23. listctrl排序

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



            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



            25. 在添加item后,再InsertColumn()后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



            26. 關于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,最后刪除第一列。
                 
            具體解釋參閱   http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/commctls/listview/structures/lvcolumn.asp

             


            27. 鎖定column header的拖動

            http://msdn.microsoft.com/msdnmag/issues/03/06/CQA/



            28. 如何隱藏clistctrl的列

                把需隱藏的列的寬度設為0,然后檢測當該列為隱藏列時,用上面第27點的鎖定column 的拖動來實現


            29. listctrl進行大數據量操作時,使用virtual list   

            http://www.codeguru.com/cpp/controls/listview/advanced/article.php/c4151/
            http://www.codeproject.com/listctrl/virtuallist.asp



            30. 關于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。



            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



            32. 類似于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

             


            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


            34. 以下為一些為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/

                      (6)    動態改變subitem的顏色和背景色
                                http://www.codeproject.com/listctrl/highlightlistctrl.asp
                                http://www.codeguru.com/Cpp/controls/listbox/colorlistboxes/article.php/c4757/
             
                      (7)    類vb屬性對話框
                                http://www.codeproject.com/listctrl/propertylistctrl.asp
                                http://www.codeguru.com/Cpp/controls/listview/propertylists/article.php/c995/
                                http://www.codeguru.com/Cpp/controls/listview/propertylists/article.php/c1041/
             
                      (8)    選中subitem(只高亮選中的item)
                                http://www.codeproject.com/listctrl/SubItemSel.asp
                                http://www.codeproject.com/listctrl/ListSubItSel.asp
             
                      (9)    改變行高
                                http://www.codeproject.com/listctrl/changerowheight.asp
             
                      (10)   改變行顏色
                                http://www.codeproject.com/listctrl/coloredlistctrl.asp
             
                      (11)   可編輯subitem的listctrl
                                http://www.codeproject.com/listctrl/nirs2000.asp
                                http://www.codeproject.com/listctrl/editing_subitems_in_listcontrol.asp
             
                      (12)   subitem可編輯,插入combobox,改變行顏色,subitem的tooltip提示
                                http://www.codeproject.com/listctrl/reusablelistcontrol.asp
             
                      (13)   header 中允許多行字符串
                                http://www.codeproject.com/listctrl/headerctrlex.asp
             
                      (14)   插入combobox
                                http://www.codeguru.com/Cpp/controls/listview/editingitemsandsubitem/article.php/c979/
             
                      (15)   添加背景圖片
                                http://www.codeguru.com/Cpp/controls/listview/backgroundcolorandimage/article.php/c4173/
                                http://www.codeguru.com/Cpp/controls/listview/backgroundcolorandimage/article.php/c983/
                                http://www.vchelp.net/vchelp/archive.asp?type_id=9&class_id=1&cata_id=1&article_id=1088&search_term=
               
                      (16)  自適應寬度的listctrl
                                http://www.codeproject.com/useritems/AutosizeListCtrl.asp

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

            posted on 2008-09-16 16:24 深邃者 閱讀(394) 評論(0)  編輯 收藏 引用

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