min_col_width.shtml

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   <TITLE>How to force a minimum column width</TITLE>
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<FONT COLOR="#AOAO99">How to force a minimum column width</FONT></H3></CENTER>

<HR WIDTH="100%">Again we have to override the OnNotify() function. The
code below restricts the columns to a minimum width of 80 pixels. The logic
can be extended to restrict the width within a range or even specify different
range for different columns. To extend the functionality, you would need
to add member variables to the class to track the different settings.
<PRE><TT><FONT COLOR="#990000">BOOL CMyListCtrl::OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult)&nbsp;
{
&nbsp;&nbsp;&nbsp; HD_NOTIFY&nbsp;&nbsp; *pHDN = (HD_NOTIFY*)lParam;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if((pHDN->hdr.code == HDN_ITEMCHANGINGW || pHDN->hdr.code == HDN_ITEMCHANGINGA)&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &amp;&amp; pHDN->pitem->cxy &lt; 80)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *pResult = TRUE;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // disable change
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return TRUE;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // Processed message
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return CListCtrl::OnNotify(wParam, lParam, pResult);
}</FONT></TT></PRE>
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