model_server/driver_aset/src/driver.cxx
// expands specified viewnode. if viewnode is null
// do view specific expand (current node or top level node).
expands specified viewnode. if viewnode is null
do view specific expand (current node or top level node).
expands specified viewnode . if viewnode is null do view specific expand ( current node or top level node ) .
void driver::expand (viewPtr vw, viewTreePtr view_node, int level)
{
    Initialize(driver::expand);
    if (vw == NULL && view_node != NULL)
        vw = get_view_header(view_node);
    if (vw) {
	vw->expand (view_node, level);
    }
}
void driver :: expand ( viewPtr vw , viewTreePtr view_node , int level ) { Initialize ( driver :: expand ) ; if ( vw == NULL && view_node != NULL ) vw = get_view_header ( view_node ) ; if ( vw ) { vw -> expand ( view_node , level ) ; } }
expands specified viewnode.
expands specified viewnode .