ll is selected or not.
   ''' &lt;/summary&gt;
   bSelected As Boolean
   ''' &lt;summary&gt;
   ''' Whether this cell is dirty (needs redrawing)
   ''' or not.
   ''' &lt;/summary&gt;
   bDirtyFlag As Boolean
   ''' &lt;summary&gt;
   ''' Indentation from left of cell before cell
   ''' is drawn.
   ''' &lt;/summary&gt;
   lIndent As Long
   ''' &lt;summary&gt;
   ''' 0-based index of an additional icon to draw in
   ''' the cell, or -1 for no additional icon.
   ''' &lt;/summary&gt;
   lExtraIconIndex As 