NM_DBLCLK handler for a CListViewCtrl

I've got a CListViewCtrl in a dialog application.  In my message map, I declare a couple of event handlers for the list view ctrl.  NM_DBLCLK works as expected, but NM_KEYDOWN appears to do nothing.

Can anyone point out what I'm missing in order to get the list ctrl responding to keydown events - 

Here's my code:

BEGIN_MSG_MAP(...)
  NOTIFY_HANDLER_EX( IDC_JOB_DETAIL, NM_DBLCLK, OnDblClickEntry )
  NOTIFY_HANDLER_EX( IDC_JOB_DETAIL, NM_KEYDOWN, OnKeyDownEntry )
END_MSG_MAP()

LRESULT OnDblClickEntry (NMHDR* pNMHDR )
{...}

LRESULT OnKeyDownEntry ( NMHDR* pNMHDR )
{
	NMKEY * pKey = reinterpret_cast<NMKEY*> (pNMHDR);
	BOOL bYawn;

	if( pKey )	
		if( pKey->nVKey == VK_DELETE )							
			OnDeleteJob(0,0,0,bYawn);				

	return 0;
}



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