collapse_all.shtml

来自「mfc资源大全包含MFC编程各个方面的源码」· SHTML 代码 · 共 56 行

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   <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
   <META NAME="Author" CONTENT="Zafir Anjum">
   <META NAME="GENERATOR" CONTENT="Mozilla/4.0 [en] (WinNT; I) [Netscape]">
   <TITLE>Collapsing all branches</TITLE>
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<H3>
<FONT COLOR="#AOAO99">Collapsing all branches</FONT>
<HR></H3></CENTER>
Have you ever had the experience that you have expanded the outline at
various points causing a lot of items to be visible and then finding it
difficult to locate a particular item. Well, it happens with me all the
time. So here抯 the code that will collapse all the branches in the outline
as if the treeview control has just been initialized with the data.
<BR>&nbsp;
<PRE><TT><FONT COLOR="#990000">// CollapseAll&nbsp; - Collapses the complete outline.
void CTreeCtrlX::CollapseAll()
{
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HTREEITEM hti = GetRootItem();
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; do{
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <A HREF="collapse_branch.shtml">CollapseBranch</A>( hti );
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }while( (hti = GetNextSiblingItem( hti )) != NULL );
}</FONT></TT>
</PRE>
This uses the function we developed for collapsing a branch. It goes through
all the root items and collapses them.

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<CENTER><FONT SIZE=-2>&copy; 1998 Zafir Anjum</FONT>&nbsp;</CENTER>
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