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CListCtrl::GetTopIndex

Retrieves the index of the topmost visible item when in list view or report view.

int GetTopIndex( ) const;

The index of the topmost visible item.

// Make sure the focus is set to the list view control.
m_myListCtrl.SetFocus();

// Select all of the items that are completely visible. 
int n = m_myListCtrl.GetTopIndex();
int nLast = n + m_myListCtrl.GetCountPerPage();

for (; n < nLast; n++)
{
   m_myListCtrl.SetItemState(n, LVIS_SELECTED, LVIS_SELECTED);
   ASSERT(m_myListCtrl.GetItemState(n, LVIS_SELECTED) == LVIS_SELECTED); 
}

Header: afxcmn.h

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