Code

void Form1_Load(object sender, EventArgs e)
{
	var node1 = new ControlNode(diagramView, CreateHostedView());
	node1.Bounds = new RectangleF(10, 10, 50, 40);

	var node2 = new ControlNode(diagramView, CreateHostedView());
	node2.Bounds = new RectangleF(10, 60, 50, 40);
}

Control CreateHostedView()
{
	var panel = new Panel();
	var view = new DiagramView();
	panel.Controls.Add(view);
	view.Dock = DockStyle.Fill;
	view.Diagram.Factory.CreateShapeNode(10, 10, 10, 10);
	return panel;
}