listclass1.shtml
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<HTML><HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <META NAME="Author" CONTENT="Zafir Anjum"> <TITLE>CListCtrl - Class with full row highlighting, dragable headers, sorting</TITLE></HEAD><body background="../fancyhome/back.gif" bgcolor="#FFFFFF" link="#B50029" vlink="#8E2323" alink="#FF0000" bgproperties="fixed"><table WIDTH="100%"><tr WIDTH="100%"><td align=center><!--#exec cgi="/cgi/ads.cgi"--><td></tr></table><CENTER><H3><FONT COLOR="#AOAO99">Class with full row highlighting, dragable headers, sorting</FONT></H3></CENTER><HR WIDTH="100%"><p>This article was contributed by <ahref="mailto:jschub@gator.net">James Schubert</a>. </p><p>Information above the divider pertains to the update of6/13/98. I have redone the sorting. It should be much improvednow. I have tested this sorting, and it will work much morereliably than the old stuff. Also I added support for sorting byfloat. There is now no need to check the Owner Draw Fixed box inthe dialog editor. ListCtrlEx will automatically setLVS_OWNERDRAWFIXED if row hilighting is enabled.</p><hr><p>I needed to add some functionality to my list controls, so ofcourse, I came to the Code Guru for help. I found several verygood articles on extending the CListCtrl class, but none thatincluded all of the features I needed. By combining the code fromthree of these articles and adding some features of my own, Ihave created an easy to use extended list control class.CListCtrlEx extends CListCtrl by adding full row highlighting,column header drag and drop, and column sorting. Columns can besorted by string(case or no case), number, or date/time. All,none or any combination of these features can be enabled.</p><p>I would like to thank the authors of the following articles:<br><a href="http://www.codeguru.com/listview/sel_row.shtml">Selectionhighlighting of entire row</a> <br><a href="http://www.codeguru.com/listview/drag_col.shtml">Draggingcolumns to rearrange column sequence</a> </p><p><a href="listclass1.zip">Download Source</a> (CListCtrlEx.h, andCListCtrlEx.cpp) 8Kb</p><p><strong>To use CListCtrlEx:</strong></p><p>1. Add the header to your dialog box header file or StdAfx.h:<br><font color="#800000">#include "CListCtrlEx.h"</font><fontcolor="#990000"><tt> </tt></font></p><p>2. Add a CListCtrlEx to your dialog box class where you wouldadd CListCtrl:<br><font color="#800000">CListCtrlEx m_List;</font><fontcolor="#990000"><tt> </tt></font></p><p>3. Initialize the list control in the dialog box OnInitDialogfunction to enable the features you want:</p><pre><font color="#800000" size="3" face="Times New Roman">BOOL CListDlg::OnInitDialog() { CDialog::OnInitDialog(); //set the column types and enable sorting if(m_List.SetColumnTypes(_gnLogColTypes, NUM_LOGCOLUMNS)) m_List.EnableSort(); </font></pre><pre><font color="#800000" size="3" face="Times New Roman"> //set the type of row highlighting m_List.SetHighlightType(HIGHLIGHT_ROW);</font></pre><pre><font color="#800000" size="3" face="Times New Roman"> //enable drag and drop headers m_List.EnableHeaderDrag();</font></pre><pre><font color="#800000" size="3" face="Times New Roman"> //set the base time for sorting on a 24 hour clock m_List.SetBaseTime("21:04:00");</font></pre><pre><font color="#800000" size="3" face="Times New Roman"> return TRUE; }</font></pre><p><font size="3"><strong>Notes:</strong></font></p><p><font face="Times New Roman">_gnLogColTypes and NUM_LOGCOLUMNSare globally defined as follows:</font></p><pre><font color="#800000" size="3" face="Times New Roman">#define NUM_LOGCOLUMNS 4</font></pre><pre><font color="#800000" size="3" face="Times New Roman">static unsigned char _gnLogColTypes[NUM_LOGCOLUMNS] = { LVEX_NUM, LVEX_CASE, LVEX_TIME, LVEX_NOCASE};</font></pre><p>If you do not call SetColumnTypes() but you enable sorting,all columns will be sorted as case sensitive strings. The sortingtypes are defined as:</p><p>LVEX_NUM: Sort as an integer number<br>LVEX_CASE: Sort as a string (case sensitive)<br>LVEX_NOCASE: Sort as a string (not case sensitive)<br>LVEX_TIME: Sort as a date/time<br>LVEX_NOSORT: Do not sort this column<br>LVEX_NUM_FLOAT: Sort by floating point number<br>LVEX_TIME_BASE: Sort as 24 hour time with a starting time (seebelow, will probably never use)</p><p>The row highlighting types are defined as:</p><p>HIGHLIGHT_NORMAL: Highlight the first column only (defaultCListCtrl behavior)<br>HIGHLIGHT_ALLCOLUMNS: Highlight all columns but not unused space<br>HIGHLIGHT_ROW: Highlight the entire row including unused space</p><p>I added the base clock time feature to fit a very specificneed I had. Most people will probably not have to use it. Therecords I display commonly have 24 hour clock times (no date)beginning in early evening and running to morning (ie: 23:00:00to 05:00:00) and I needed to sort the time from the starting time(23:00:00) not by the lowest time. If you do not callSetBaseTime(), the date/time will be sorted by absolute time.</p><P><HR><TABLE BORDER=0 WIDTH="100%" ><TR><TD WIDTH="33%"><FONT SIZE=-1><A HREF="http://www.codeguru.com">Goto HomePage</A></FONT></TD><TD WIDTH="33%"><CENTER><FONT SIZE=-2>© 1998 Zafir Anjum</FONT> </CENTER></TD><TD WIDTH="34%"><DIV ALIGN=right><FONT SIZE=-1>Contact me: <A HREF="mailto:zafir@home.com">zafir@home.com</A> </FONT></DIV></TD></TR></TABLE></BODY></HTML>⌨️ 快捷键说明
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