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// Updating a control or window with large amounts of data may cause
// flicker. In such cases it may be better to turn off drawing
//m_list is a member of type CListCtrl
m_List.SetRedraw(FALSE); // turn drawing off regardless of list mode
//
// Update control
//
m_List.SetRedraw(TRUE); // turn drawing back on and update the window
// invalidate the entire control, force painting
m_List.Invalidate();
m_List.UpdateWindow();