TreeView.Nodes : TreeView « System.Windows.Forms « VB.Net by API

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VB.Net
VB.Net Tutorial
VB.Net by API » System.Windows.Forms » TreeView 
TreeView.Nodes
  

        
Imports System
Imports System.Data
Imports System.Windows.Forms
Imports System.Drawing
Imports System.Data.SqlClient

public class MainClass
   Shared Sub Main()
       Dim form1 As Form = New Form1
       Application.Run(form1)
   End Sub
End Class


Public Class Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgsHandles MyBase.Load
        Dim factory, group, person As TreeNode

        ' Create some nodes.
        trvOrgChart.Nodes.Clear()
        factory = trvOrgChart.Nodes.Add("f Name""Name"00)
        group = factory.Nodes.Add("g Dept 1""Dept 2"11)
        person = group.Nodes.Add("p Name 1""Name 1"22)
        person = group.Nodes.Add("p Name 2""Name 2"22)

        group = factory.Nodes.Add("g Dep 2""Dep 2t"11)
        person = group.Nodes.Add("p Name 1""Name 1"22)
        person = group.Nodes.Add("p Name 2""Name 2"22)

        factory = trvOrgChart.Nodes.Add_
            "f Dept 3""Dept 3"00)
        group = factory.Nodes.Add_
            "g Name 1""Name 1"11)
        person = group.Nodes.Add_
            "p Name 2""Name 2"22)
        person = group.Nodes.Add_
            "p Name 3""Namr 3"22)

        group = factory.Nodes.Add_
            "g Dep 5""Dep 5"11)
        person = group.Nodes.Add_
            "p Name 1""Name 1"22)
        person = group.Nodes.Add_
            "p Name 2""Namr 2"22)
        person = group.Nodes.Add_
            "p Name 3""Name 3"22)

        group = factory.Nodes.Add_
            "g Dept 10""Dept 10"11)
        person = group.Nodes.Add_
            "p Name 1""Namr 1"22)
        person = group.Nodes.Add_
            "p Namr 2""Name 2"22)

        trvOrgChart.ExpandAll()
        trvOrgChart.Nodes(0).EnsureVisible()
    End Sub

    Private Sub trvOrgChart_BeforeLabelEdit(ByVal sender As Object, ByVal e As System.Windows.Forms.NodeLabelEditEventArgsHandles trvOrgChart.BeforeLabelEdit
        e.CancelEdit = (e.Node.FullPath.IndexOf(trvOrgChart.PathSeparator= -1)
    End Sub
End Class



<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Public Class Form1
    Inherits System.Windows.Forms.Form

    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Dim TreeNode1 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Cameron, Charlie"25)
        Dim TreeNode2 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Davos, Debbie"25)
        Dim TreeNode3 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Engineering"14, New System.Windows.Forms.TreeNode() {TreeNode1, TreeNode2})
        Dim TreeNode4 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Test"14)
        Dim TreeNode5 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("R & D"03, New System.Windows.Forms.TreeNode() {TreeNode3, TreeNode4})
        Me.trvOrgChart = New System.Windows.Forms.TreeView
        Me.SuspendLayout()
        '
        'trvOrgChart
        '
        Me.trvOrgChart.Dock = System.Windows.Forms.DockStyle.Fill
        Me.trvOrgChart.ImageIndex = 0
        Me.trvOrgChart.LabelEdit = True
        Me.trvOrgChart.Location = New System.Drawing.Point(00)
        Me.trvOrgChart.Name = "trvOrgChart"
        TreeNode1.Name = "Node6"
        TreeNode1.SelectedImageIndex = 5
        TreeNode1.Text = "Cameron, Charlie"
        TreeNode2.Name = "Node7"
        TreeNode2.SelectedImageIndex = 5
        TreeNode2.Text = "Davos, Debbie"
        TreeNode3.ImageIndex = 1
        TreeNode3.Name = "Node5"
        TreeNode3.SelectedImageIndex = 4
        TreeNode3.Text = "Engineering"
        TreeNode4.ImageIndex = 1
        TreeNode4.Name = "Node8"
        TreeNode4.SelectedImageIndex = 4
        TreeNode4.Text = "Test"
        TreeNode5.ImageIndex = 0
        TreeNode5.Name = "Node0"
        TreeNode5.SelectedImageIndex = 3
        TreeNode5.Text = "R & D"
        Me.trvOrgChart.Nodes.AddRange(New System.Windows.Forms.TreeNode() {TreeNode5})
        Me.trvOrgChart.SelectedImageIndex = 0
        Me.trvOrgChart.Size = New System.Drawing.Size(292273)
        Me.trvOrgChart.TabIndex = 1
        '
        'Form1
        '
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(292273)
        Me.Controls.Add(Me.trvOrgChart)
        Me.Name = "Form1"
        Me.Text = "UseTreeView"
        Me.ResumeLayout(False)

    End Sub

    Friend WithEvents trvOrgChart As System.Windows.Forms.TreeView

End Class

   
    
  
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4.TreeView.CheckBoxes
5.TreeView.DoDragDrop
6.TreeView.ExpandAll()
7.TreeView.GetNodeAt
8.TreeView.PointToClient
9.TreeView.SelectedNode
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