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I am implementing tooltips for a CListCCtrl derived class 
 
BOOL CMyListCtrl::OnToolTipText( UINT id, NMHDR * pNMHDR, LRESULT * pResult ) 
{ 
&nbsp; &nbsp; &nbsp;TOOLTIPTEXTA* pTTTA = (TOOLTIPTEXTA*)pNMHDR; 
&nbsp; &nbsp; &nbsp;TOOLTIPTEXTW* pTTTW = (TOOLTIPTEXTW*)pNMHDR; 
&nbsp; &nbsp; &nbsp;CString strTipText; 
&nbsp; &nbsp; &nbsp;UINT nID = pNMHDR-&gt;idFrom; 
 
&nbsp; &nbsp; &nbsp;if( nID == 0 )// Notification in NT from automatically 
&nbsp; &nbsp; &nbsp; &nbsp;return FALSE; &nbsp; &nbsp; &nbsp; &nbsp;// created tooltip 
 
&nbsp; I have done everything I think but nID is always false 
 
&nbsp; I do handle OnToolHitTest and set the id of the row by hittesting. I do call enable tootips in PreSubClassWindow. 
 
&nbsp;Anyone know why nID would always be Zero? 
 
 
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I am implementing tooltips for a CListCCtrl derived class

BOOL CMyListCtrl::OnToolTipText( UINT id, NMHDR * pNMHDR, LRESULT * pResult )
{
     TOOLTIPTEXTA* pTTTA = (TOOLTIPTEXTA*)pNMHDR;
     TOOLTIPTEXTW* pTTTW = (TOOLTIPTEXTW*)pNMHDR;
     CString strTipText;
     UINT nID = pNMHDR->idFrom;

     if( nID == 0 )// Notification in NT from automatically
       return FALSE;        // created tooltip

  I have done everything I think but nID is always false

  I do handle OnToolHitTest and set the id of the row by hittesting. I do call enable tootips in PreSubClassWindow.

 Anyone know why nID would always be Zero?


 

CToolTip and CListCtrl

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