Laurent Nicot - 2010-07-05

Since rev 72 in TreeViewAdv.Draw
I suggest this:

public void AutoSizeColumn(TreeColumn column)
...
TreeNodeAdv node = RowMap[row];

if (column.Index == 0)
{
w += (node.Level - 1) * _indent + LeftMargin;
if (ShowPlusMinus)
w += _plusMinus.GetActualSize(node, _measureContext).Width;
if (row == 0 && ShiftFirstNode)
w -= _indent;
}

foreach (NodeControl nc in NodeControls)
...