CListCtrl使用技巧汇总(二)

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_SYSICONINEX | 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.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

&bsp; 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

//2009-05-06
35. 隐藏滚动条
void CListView_ScrollBarView::OnSize(UINT nType, int cx, int cy)

{

CListCtrl & ctrl = this->GetListCtrl ();

if (ctrl)

{

//隐藏垂直滚动条

::ShowScrollBar( ctrl.m_hWnd, SB_VERT, FALSE);

}

CListView::OnSize(nType, cx, cy);

}
//2009-05-07
36. 处理键盘，循环滚动,不要在对话框中处理该消息，否则WListCtrlEx会产生两次按键事件
BOOL WListCtrlEx::PreTranslateMessage(MSG* pMsg)

{

// TODO: Add your specialized code here and/or call the base class

if (pMsg->message == WM_KEYDOWN)

{

if (pMsg->wParam == VK_DOWN)

{

int nSel = GetNextItem(-1, LVNI_SELECTED);

if (nSel == -1)

return FALSE;

if (nSel == GetItemCount()-1)

{

EnsureVisible(0, FALSE); //滚动条自动滚动到第80行

SetItemState(0, LVIS_SELECTED|LVIS_FOCUSED, LVIS_SELECTED|LVIS_FOCUSED);

return TRUE;

}

}

if (pMsg->wParam == VK_UP)

{

int nSel = GetNextItem(-1, LVNI_SELECTED);

if (nSel == -1)

return FALSE;

if (nSel == 0)

{

EnsureVisible(GetItemCount()-1, FALSE); //滚动条自动滚动到第80行

SetItemState(GetItemCount()-1, LVIS_SELECTED|LVIS_FOCUSED, LVIS_SELECTED|LVIS_FOCUSED);

return TRUE;

}

}

}

return CListCtrl::PreTranslateMessage(pMsg);

}

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