void ConnectionTableChangeHandler(object o, EventArgs arg) {
lock( _sync ) {
_idx++;
#if EVERY_20
if( _idx % 20 == 0 ) {
//Only print every 20'th change. This is a hack...
ToDotFile();
}
#else
ToDotFile();
#endif
//Node n = (Node)_ctable_to_node[o];
//Console.Error.WriteLine("Node({0}).IsConnected == {1}", n.Address, n.IsConnected);
}
}