List Control控件技巧总汇
2010-08-06 14:46
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以下未经说明,listctrl默认view 风格为report ------------------------------------------------------------------------------- 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; 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为选中状态"), i); AfxMessageBox(str); } } -------------------------------------------------------------------------------- 7. 得到listctrl中所有选中行的序号 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("选中了第%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); 关于得到设置item的状态,还可以参考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字符串内容 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中一项可见,即滚动滚动条 m_list.EnsureVisible(i, FALSE); -------------------------------------------------------------------------------- 11. 得到listctrl列数 int nHeadNum = m_list.GetHeaderCtrl()->GetItemCount(); -------------------------------------------------------------------------------- 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 -------------------------------------------------------------------------------- |
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, s izeof(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
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29. listctrl进行大数据量操作时,使用virtual list
http://www.codeguru.com/cpp/controls/listview/advanced/article.php/c4151/
http://www.codeproject.com/listctrl/virtuallist.asp
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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
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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
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