Code

    int nInpNum = int.Parse(dlg.textBoxInps.Text);
    int nOutNum = int.Parse(dlg.textBoxOuts.Text);
    ShapeNode node = m_Diagram.Factory.CreateShapeNode(40, 40, 5, 80, Shapes.Rectangle);
    AnchorPointCollection anchorPnts = new AnchorPointCollection();
    double nOffset = nInpNum > 0 ? 100 / (nInpNum + 1) : 50;
    for (int i = 0; i < nInpNum; ++i)
    {
  AnchorPoint point = new AnchorPoint(0,
nOffset * (i + 1), true, false, MarkStyle.Rectangle);
  anchorPnts.Add(point);
    }
    nOffset = nOutNum > 0 ? 100 / (nOutNum + 1) : 50;
    for (int i = 0; i < nOutNum; ++i)
    {
  AnchorPoint point = new AnchorPoint(100,
nOffset * (i + 1), false, true, MarkStyle.Rectangle);
  anchorPnts.Add(point);
    }
    node.AnchorPattern = new AnchorPattern(anchorPnts);
    node.EnabledHandles = AdjustmentHandles.ResizeTopCenter |
  AdjustmentHandles.ResizeBottomCenter | AdjustmentHandles.Move;
    node.HandlesStyle = HandlesStyle.EasyMove;
    node.Brush = Brushes.Black;