TreeView.CheckBoxes : 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.CheckBoxes
  

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class TreeViewSelectionCheckBoxes
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is NothingThen
                components.Dispose()
            End If
        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.
    Friend WithEvents TreeView1 As System.Windows.Forms.TreeView
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()Private Sub InitializeComponent()
        Me.TreeView1 = New System.Windows.Forms.TreeView
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.SuspendLayout()
        '
        'TreeView1
        '
        Me.TreeView1.ImageIndex = -1
        Me.TreeView1.Location = New System.Drawing.Point(8864)
        Me.TreeView1.Name = "TreeView1"
        Me.TreeView1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Root", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node 1", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node 2"), New System.Windows.Forms.TreeNode("Node 3")}), New System.Windows.Forms.TreeNode("Node 4", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node 5"), New System.Windows.Forms.TreeNode("Node 6")})})})
        Me.TreeView1.SelectedImageIndex = -1
        Me.TreeView1.Size = New System.Drawing.Size(121120)
        Me.TreeView1.TabIndex = 0
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(88200)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(12020)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(88232)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(12023)
        Me.Button1.TabIndex = 3
        Me.Button1.Text = "Show Check Boxes"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(513)
        Me.ClientSize = New System.Drawing.Size(292273)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.TreeView1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub TreeView1_AfterSelect(ByVal sender As System.Object, ByVal e As System.Windows.Forms.TreeViewEventArgsHandles TreeView1.AfterSelect
        TextBox1.Text = e.Node.Text & " was selected."
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgsHandles Button1.Click
        TreeView1.CheckBoxes = True
    End Sub

    Private Sub TreeView1_AfterCheck(ByVal sender As Object, ByVal e As System.Windows.Forms.TreeViewEventArgsHandles TreeView1.AfterCheck
        If e.Node.Checked Then
            TextBox1.Text = e.Node.Text & " is checked."
        Else
            TextBox1.Text = e.Node.Text & " is not checked."
        End If
    End Sub
End Class

   
    
  
Related examples in the same category
1.Inherits TreeView
2.TreeView.AfterSelect
3.TreeView.AllowDrop
4.TreeView.DoDragDrop
5.TreeView.ExpandAll()
6.TreeView.GetNodeAt
7.TreeView.Nodes
8.TreeView.PointToClient
9.TreeView.SelectedNode
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