VB.Net Tutorial/Event/AddHandler

Add general to Label using AddHandler lblTitle.Click, AddressOf GenericEvent

Imports System.Windows.Forms
public class GeneralEventLabel
   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 Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.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 lblTitle As System.Windows.Forms.Label
    Friend WithEvents btnTest As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.lblTitle = New System.Windows.Forms.Label()
        Me.btnTest = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        "
        "lblTitle
        "
        Me.lblTitle.Location = New System.Drawing.Point(40, 32)
        Me.lblTitle.Name = "lblTitle"
        Me.lblTitle.Size = New System.Drawing.Size(150, 25)
        Me.lblTitle.TabIndex = 0
        Me.lblTitle.Text = "Events Demonstrator"
        AddHandler lblTitle.Click, AddressOf GenericEvent

        "
        "btnTest
        "
        Me.btnTest.Location = New System.Drawing.Point(40, 96)
        Me.btnTest.Name = "btnTest"
        Me.btnTest.TabIndex = 1
        Me.btnTest.Text = "Do It!"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(242, 173)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.btnTest, Me.lblTitle})
        Me.Name = "Form1"
        Me.Text = "Events Demonstrator"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub btnTest_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnTest.Click
        MessageBox.Show("Click event just handled.", "Event Demo")
    End Sub
    Private Sub lblTitle_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles lblTitle.Click
        MessageBox.Show("Click event just handled.", "Event Demo")
    End Sub
    Private Sub GenericEvent(ByVal sender As System.Object, _
                             ByVal e As System.EventArgs)
        MessageBox.Show("Generic dynamic event just handled.", "Event Demo")
    End Sub

End Class

AddHandler btn.Click, AddressOf btn_Click

imports System
imports System.Drawing
imports System.Windows.Forms
public class AddressOfEvent : inherits System.Windows.Forms.Form
  Private WithEvents btn as Button
  public sub New()
    btn = new Button()
    btn.Location = new Point(50,50)
    btn.Text = "Test"
    Controls.Add(btn)
        AddHandler btn.Click, AddressOf btn_Click
  end sub
  public shared sub Main() 
    Application.Run(new AddressOfEvent())
  end sub
  private sub btn_Click(ByVal sender as object, _
      ByVal e as EventArgs)
    MessageBox.Show("btn_Click method","Events Demonstration")
  end sub
  private sub btn_ClickHandles(ByVal sender as object, _
      ByVal e as EventArgs) _
      Handles btn.Click
    MessageBox.Show("btn_ClickHandles method","Events Demonstration")
  end sub
end class

Events Demonstration - AddHandler

imports System
imports System.Drawing
imports System.Windows.Forms
public class EventsDemo : inherits System.Windows.Forms.Form
  Private btn as Button
  public sub New()
    btn = new Button()
    btn.Location = new Point(50,50)
    btn.Text = "Test"
    Controls.Add(btn)
        AddHandler btn.Click, AddressOf btn_Click
  end sub
  public shared sub Main() 
    Application.Run(new EventsDemo())
  end sub
  private sub btn_Click(ByVal sender as object,ByVal e as EventArgs)
    MessageBox.Show("btn_Click method","Events Demonstration")
  end sub
end class

Use AddHandler to add event handler to a button

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class AddButtonToForm
   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 Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.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 Button1 As System.Windows.Forms.Button
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.SuspendLayout()
        "
        "Button1
        "
        Me.Button1.Location = New System.Drawing.Point(104, 56)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "Click Me"
        "
        "TextBox1
        "
        Me.TextBox1.Location = New System.Drawing.Point(96, 168)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 273)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Button1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Dim WithEvents Button2 As Button
    Private Sub Button1_Click(ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles Button1.Click
        Button2 = New Button
        Button2.Location = New Point(104, 104)
        Button2.Size = New Size(75, 23)
        Button2.Text = "And Me!"
        AddHandler Button2.Click, AddressOf Button2_Clicked
        Controls.Add(Button2)
    End Sub
    Private Sub Button2_Clicked(ByVal sender As Object, ByVal e As System.EventArgs)
        TextBox1.Text = "No problem!"
    End Sub
End Class