GtkTree::set_view_lines
void
set_view_lines
(int
flag
);
Sets whether or not lines between nodes and children should be drawn. If
flag evaluates to true
(flag > 0) connecting lines between nodes and
children will be drawn. If flag evaluates to
false (flag <= 0) connecting
lines between nodes and children will not be drawn. By default tree's begin
with view lines set to one.
