TreeView Control

This Control is used to display the required item or data in hierarchal manner

This is used to save the Design Space

Properties:-

 Nodes:-

This is a Collection property which stores all the group of Nodes within it.Where each node is identified by using its index value .Here Every Node again contains Nodes collection.  

Example

Add a new Form i.e.,FormTreeView to the Windows Application WABasics

Create one TreeView Contril,one Button Control & set the following properties to them

treeView11:

     Name               :         TvSample

button1:

     Name               :         btnCreate

Design :-

 Generate theEventHandler for btnCreate click Event

& write the following code in Source[FormTreeView.cs] 

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WABasics {     public partial class FormTreeView : Form     {         public FormTreeView()         {             InitializeComponent();         }         private void btnCreate_Click(object sender, EventArgs e)         {             TVSample.Nodes.Add("Sampath Trust");             TVSample.Nodes.Add("Private Trust");             TVSample.Nodes.Add("Govt Trust");             TVSample.Nodes[0].Nodes.Add("Schools");             TVSample.Nodes[0].Nodes.Add("Colleges");             TVSample.Nodes[0].Nodes.Add("Homes");             TVSample.Nodes[0].Nodes[0].Nodes.Add("Primary School");             TVSample.Nodes[0].Nodes[0].Nodes.Add("High School");             TVSample.Nodes[0].Nodes[1].Nodes.Add("Inter College");             TVSample.Nodes[0].Nodes[1].Nodes.Add("Degree College");             TVSample.Nodes[0].Nodes[1].Nodes.Add("PG College");             TVSample.Nodes[0].Nodes[1].Nodes.Add("Engineering College");             TVSample.Nodes[0].Nodes[2].Nodes.Add("Orphan Homes");             TVSample.Nodes[0].Nodes[2].Nodes.Add("OldAge Home");             TVSample.Nodes[0].Nodes[2].Nodes.Add("Peace Home");         }     } }

Result :-