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CListCtrl 使用技巧收藏

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  【原】CListCtrl 使用技巧收藏新一篇: 【转】如何移动、替换和删除当前正在使用的文件 | 旧一篇: 【原】CListBox & CCheckListBox 使用技巧 【原】CListCtrl 使用技巧 作者:lixiaosan 时间:04/06/2006 以下未经说明,listctrl默认view 风格为report 相关类及处理函数 MFC:CListCtrl类 SDK:以 “ListView_”开头的一些宏。如 ListView_InsertColumn -------------------------------------------------------------------------------- 1. CListCtrl 风格 LVS_ICON: 为每个item显示大图标 LVS_SMALLICON: 为每个item显示小图标 LVS_LIST: 显示一列带有小图标的item LVS_REPORT: 显示item详细资料 直观的理解:windows资源管理器,“查看”标签下的“大图标,小图标,列表,详细资料” -------------------------------------------------------------------------------- 2. 设置listctrl 风格及扩展风格 LONG lStyle; lStyle = GetWindowLong(m_list.m_hWnd, GWL_STYLE);//获取当前窗口style lStyle &= ~LVS_TYPEMASK; //清除显示方式位 lStyle |= LVS_REPORT; //设置style SetWindowLong(m_list.m_hWnd, GWL_STYLE, lStyle);//设置style DWORD dwStyle = m_list.GetExtendedStyle(); dwStyle |= LVS_EX_FULLROWSELECT;//选中某行使整行高亮(只适用与report风格的listctrl) dwStyle |= LVS_EX_GRIDLINES;//网格线(只适用与report风格的listctrl) dwStyle |= LVS_EX_CHECKBOXES;//item前生成checkbox控件 m_list.SetExtendedStyle(dwStyle); //设置扩展风格 注:listview的style请查阅msdn http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wceshellui5/html/wce50lrflistviewstyles.asp -------------------------------------------------------------------------------- 3. 插入数据 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”);//设置数据 -------------------------------------------------------------------------------- 4. 一直选中item 选中style中的Show selection always,或者在上面第2点中设置LVS_SHOWSELALWAYS -------------------------------------------------------------------------------- 5. 选中和取消选中一行 int nIndex = 0; //选中 m_list.SetItemState(nIndex, LVIS_SELECTED|LVIS_FOCUSED, LVIS_SELECTED|LVIS_FOCUSED); //取消选中 m_list.SetItemState(nIndex, 0, LVIS_SELECTED|LVIS_FOCUSED); -------------------------------------------------------------------------------- 6. 得到listctrl中所有行的checkbox的状态 m_list.SetExtendedStyle(LVS_EX_CHECKBOXES); CString str; for(int i=0; iGetItemCount(); -------------------------------------------------------------------------------- 12. 删除所有列 方法一: while ( m_list.DeleteColumn (0)) 因为你删除了第一列后,后面的列会依次向上移动。 方法二: int nColumns = 4; for (int i=nColumns-1; i>=0; i--) m_list.DeleteColumn (i); -------------------------------------------------------------------------------- 13. 得到单击的listctrl的行列号 添加listctrl控件的NM_CLICK消息相应函数 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("单击的是第%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("单击的是第%d行第%d列", pNMListView->iItem, pNMListView->iSubItem); AfxMessageBox(strtemp); } */ *pResult = 0; } -------------------------------------------------------------------------------- 14. 判断是否点击在listctrl的checkbox上 添加listctrl控件的NM_CLICK消息相应函数 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); //判断是否点在checkbox上 if(nFlag == LVHT_ONITEMSTATEICON) { AfxMessageBox("点在listctrl的checkbox上"); } *pResult = 0; } -------------------------------------------------------------------------------- 15. 右键点击listctrl的item弹出菜单 添加listctrl控件的NM_RCLICK消息相应函数 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切换焦点时(包括用键盘和鼠标切换item时),状态的一些变化顺序 添加listctrl控件的LVN_ITEMCHANGED消息相应函数 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. 得到另一个进程里的listctrl控件的item内容 http://www.codeproject.com/threads/int64_memsteal.asp -------------------------------------------------------------------------------- 18. 选中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的派生类 http://www.codeguru.com/cpp/controls/listview/introduction/article.php/c919/ -------------------------------------------------------------------------------- 20. listctrl的subitem添加图标 m_list.SetExtendedStyle(LVS_EX_SUBITEMIMAGES); m_list.SetItem(..); //具体参数请参考msdn -------------------------------------------------------------------------------- 21. 在CListCtrl显示文件,并根据文件类型来显示图标 网上找到的代码,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内容进行大数据量更新时,避免闪烁 m_list.SetRedraw(FALSE); //更新内容 m_list.SetRedraw(TRUE); m_list.Invalidate(); m_list.UpdateWindow(); 或者参考 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中选中某个item时动态改变其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()后导致整列数据移动的问题 Q151897: CListCtrl::InsertColumn() Causes Column Data to Shift http://support.microsoft.com/kb/151897/en-us -------------------------------------------------------------------------------- 26. 关于listctrl第一列始终居左的问题解决办法:把第一列当一个虚列,从第二列开始插入列及数据,最后删除第一列。 具体解释参阅 http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/commctls/listview/structures/lvcolumn.asp -------------------------------------------------------------------------------- 27. 锁定column header的拖动 http://msdn.microsoft.com/msdnmag/issues/03/06/CQA/ -------------------------------------------------------------------------------- 28. 如何隐藏clistctrl的列 把需隐藏的列的宽度设为0,然后检测当该列为隐藏列时,用上面第27点的锁定column 的拖动来实现 -------------------------------------------------------------------------------- 29. listctrl进行大数据量操作时,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 -------------------------------------------------------------------------------- 30. 关于item只能显示259个字符的问题解决办法:需要在item上放一个edit。 -------------------------------------------------------------------------------- 31. 响应在listctrl的column header上的鼠标右键单击 Q125694: How To Find Out Which Listview Column Was Right-Clicked http://support.microsoft.com/kb/125694/en-us -------------------------------------------------------------------------------- 32. 类似于windows资源管理器的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只响应两次的问题 Q200054: PRB: OnTimer() Is Not Called Repeatedly for a List Control http://support.microsoft.com/kb/200054/en-us -------------------------------------------------------------------------------- 34. 以下为一些为实现各种自定义功能的listctrl派生类 (1) 拖放 http://www.codeproject.com/listctrl/dragtest.asp 在CListCtrl和CTreeCtrl间拖放 http://support.microsoft.com/kb/148738/en-us (2) 多功能listctrl 支持subitem可编辑,图标,radiobutton,checkbox,字符串改变颜色的类 http://www.codeproject.com/listctrl/quicklist.asp 支持排序,subitem可编辑,subitem图标,subitem改变颜色的类 http://www.codeproject.com/listctrl/ReportControl.asp (3) subitem中显示超链接 http://www.codeproject.com/listctrl/CListCtrlLink.asp (4) subitem的tooltip提示 http://www.codeproject.com/listctrl/ctooltiplistctrl.asp (5) subitem中显示进度条 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) 动态改变subitem的颜色和背景色 http://www.codeproject.com/listctrl/highlightlistctrl.asp http://www.codeguru.com/Cpp/controls/listbox/colorlistboxes/article.php/c4757/ (7) 类vb属性对话框 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) 选中subitem(只高亮选中的item) http://www.codeproject.com/listctrl/SubItemSel.asp http://www.codeproject.com/listctrl/ListSubItSel.asp (9) 改变行高 http://www.codeproject.com/listctrl/changerowheight.asp (10) 改变行颜色 http://www.codeproject.com/listctrl/coloredlistctrl.asp (11) 可编辑subitem的listctrl http://www.codeproject.com/listctrl/nirs2000.asp http://www.codeproject.com/listctrl/editing_subitems_in_listcontrol.asp (12) subitem可编辑,插入combobox,改变行颜色,subitem的tooltip提示 http://www.codeproject.com/listctrl/reusablelistcontrol.asp (13) header 中允许多行字符串 http://www.codeproject.com/listctrl/headerctrlex.asp (14) 插入combobox http://www.codeguru.com/Cpp/controls/listview/editingitemsandsubitem/article.php/c979/ (15) 添加背景图片 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) 自适应宽度的listctrl http://www.codeproject.com/useritems/AutosizeListCtrl.asp (17) 改变ListCtrl高亮时的颜色(默认为蓝色) 处理 NM_CUSTOMDRAW http://www.codeproject.com/listctrl/lvcustomdraw.asp (18) 改变header颜色 http://www.pocketpcdn.com/articles/hdr_color.html