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<font color="#800080">VC知识库（五）</font>
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<font color="#800080">www.vckbase.com</font>
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<font COLOR="#AOAO99">在TreeList中使用Edit功能</font>
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<a href="mailto:wyy_cq@188.net">闻怡洋</a>翻译 <a href="http://vchelp.yeah.net">http://vchelp.yeah.net</a>
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<p>首先了讲该TreeList应该使用TVS_EDITLABELS风格，可以在创建资源时指定，或者在使用Create时指定，或者在PreCreateWindos()中改变。
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<p>接下来需要处理TVN_BEGINLABELEDIT和TVN_ENDLABELEDIT消息。 </p>
<pre><tt><font COLOR="#990000">void CXXXX::OnBeginLabelEdit(NMHDR* pNMHDR, LRESULT* pResult)
{
TV_DISPINFO* pTVDispInfo = (TV_DISPINFO*)pNMHDR;
// Limit text length
GetEditControl()->LimitText(127);
*pResult = 0;
}</font></tt></pre>
<p>如果不处理 TVN_ENDLABELEDIT 消息，则文本的更改不会生效。<br>
<tt><font COLOR="#990000">void COutline::OnEndLabelEdit(NMHDR* pNMHDR, LRESULT*
pResult) <br>
{<br>
GetEditControl()->GetWindowText(s);<br>
// Set result to TRUE to accept the changes<br>
*pResult = TRUE;<br>
}</font></tt></p>
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