WinForms Diagram - Powerful, Feature-Rich Control

using Syncfusion.Windows.Forms.Diagram;
using Syncfusion.Windows.Forms.Diagram.Controls;
using System;
using System.Data;
using System.Drawing;
using System.Windows.Forms;
using Rectangle = Syncfusion.Windows.Forms.Diagram.Rectangle;
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        private Diagram diagram;
        public Form1()
        {
            InitializeComponent();
            // Create a diagram instance
            diagram = new Diagram() { Model = new Model(), Dock = DockStyle.Fill };
            diagram.View.Grid.Visible = false;
            // Add the Diagram control to the Form
            this.Controls.Add(diagram);
            diagram.BeginUpdate();
            // Customize the appearance of the node
            Rectangle rect = new Rectangle(0, 0, 100, 50);
            rect.FillStyle.Color = Color.CornflowerBlue;
            diagram.Binding.DefaultNode = rect;
            PopulateDataSource();
            ConfigureAndUpdateLayout();
            diagram.EndUpdate();
        }
        private void PopulateDataSource()
        {
            DataTable table = new DataTable();
            table.Columns.Add("ID", typeof(string));
            table.Columns.Add("Title", typeof(string));
            table.Columns.Add("ParentID", typeof(string));
            table.Rows.Add("1", "John Smith", String.Empty);
            table.Rows.Add("2", "Joe Robert", "1");
            table.Rows.Add("3", "Jack Kent", "1");
            table.Rows.Add("4", "Ravi Kumar", "1");
            table.Rows.Add("5", "Sue Raymond", "2");
            table.Rows.Add("6", "Lisa simpson", "2");
            table.Rows.Add("7", "Bob Woley", "3");
            table.Rows.Add("8", "Ron Jones", "4");
            table.Rows.Add("9", "Dave Mason", "4");
            //Binding the Node column Name
            diagram.Binding.Id = "ID";
            //Binding the Parents Nodes column Name
            diagram.Binding.ParentId = "ParentID";
            //Binding the Label
            diagram.Binding.Label.Add("Title");
            // Binding the DataTable to the DataSource
            diagram.Binding.DataSource = table;
        }
        private void ConfigureAndUpdateLayout()
        {
            HierarchicLayoutManager hierarchicalLayout = new HierarchicLayoutManager(diagram.Model, 0, 40, 30);
            hierarchicalLayout.LeftMargin = 50;
            hierarchicalLayout.TopMargin = 50;
            diagram.LayoutManager = hierarchicalLayout;
            diagram.LayoutManager.UpdateLayout(null);
        }
    }
}