//------------------------------------------------------------------------------
private void butDone1_Click(object sender, RoutedEventArgs e)
{
//start1.ResendRight("Done 1");
//start1.AppendStack();
// same creating a duplicate node with same id
TraceNode newNode = new TraceNode(null,false);
newNode.Id = start1.Id;
newNode.ResendRight("Done 1");
newNode.AppendStack();
}