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listctrl的一些問題

CListCtrl使用技巧

??????????????????????????????????????

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/

??? ?? ?? (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 2006-12-13 11:44 喬棟閱讀(4255) 評論(0) 編輯收藏引用所屬分類: C++的健身房

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CListCtrl使用技巧

1. CListCtrl 風格

2. 設置listctrl 風格及擴展風格

3. 插入數據

4. 一直選中item

5. 選中和取消選中一行

6. 得到listctrl中所有行的checkbox的狀態

7. 得到listctrl中所有選中行的序號

8. 得到item的信息

9. 得到listctrl的所有列的header字符串內容

10. 使listctrl中一項可見，即滾動滾動條

11. 得到listctrl列數

12. 刪除所有列

13. 得到單擊的listctrl的行列號

14. 判斷是否點擊在listctrl的checkbox上

15. 右鍵點擊listctrl的item彈出菜單

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

17. 得到另一個進程里的listctrl控件的item內容

18. 選中listview中的item

19. 如何在CListView中使用CListCtrl的派生類

20. listctrl的subitem添加圖標

21. 在CListCtrl顯示文件，并根據文件類型來顯示圖標

22. listctrl內容進行大數據量更新時，避免閃爍

23. listctrl排序

24. 在listctrl中選中某個item時動態改變其icon或bitmap

25. 在添加item后，再InsertColumn()后導致整列數據移動的問題

26. 關于listctrl第一列始終居左的問題

27. 鎖定column header的拖動

28. 如何隱藏clistctrl的列

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

30. 關于item只能顯示259個字符的問題

31. 響應在listctrl的column header上的鼠標右鍵單擊

32. 類似于windows資源管理器的listview

33. 在ListCtrl中OnTimer只響應兩次的問題

34. 以下為一些為實現各種自定義功能的listctrl派生類

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