Add Nodes to TreeView : TreeView « GUI Windows Form « C# / C Sharp

1. C# / C Sharp
2. GUI Windows Form
3. TreeView

Add Nodes to TreeView

 

using System;
using System.Drawing;
using System.Windows.Forms;
   
class SimpleTreeView: Form
{
     public static void Main()
     {
          Application.Run(new SimpleTreeView());
     }
     public SimpleTreeView()
     {
          Text = "Simple Tree View";
   
          TreeView tree = new TreeView();
          tree.Parent = this;
          tree.Dock = DockStyle.Fill;
   
          tree.Nodes.Add("Animal");
          tree.Nodes[0].Nodes.Add("A");
          tree.Nodes[0].Nodes[0].Nodes.Add("A1");
          tree.Nodes[0].Nodes[0].Nodes.Add("A2");
          tree.Nodes[0].Nodes[0].Nodes.Add("A3");
          tree.Nodes[0].Nodes.Add("B");
          tree.Nodes[0].Nodes[1].Nodes.Add("B1");
          tree.Nodes[0].Nodes[1].Nodes.Add("B2");
          tree.Nodes[0].Nodes.Add("C");
          tree.Nodes[0].Nodes[2].Nodes.Add("C1");
          tree.Nodes[0].Nodes[2].Nodes.Add("C2");
          tree.Nodes[0].Nodes[2].Nodes.Add("C3");
          tree.Nodes.Add("D");
          tree.Nodes[1].Nodes.Add("D1");
          tree.Nodes[1].Nodes.Add("D2");
          tree.Nodes[1].Nodes.Add("D3");
          tree.Nodes.Add("E");
          tree.Nodes[2].Nodes.Add("E1");
          tree.Nodes[2].Nodes.Add("E2");
          tree.Nodes[2].Nodes.Add("E3");
     }
}

 

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