Use AddHandler to add event handler to a button : AddHandler « Event « VB.Net Tutorial

1. VB.Net Tutorial
2. Event
3. AddHandler

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.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 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

11.2.AddHandler
	11.2.1.	Events Demonstration - AddHandler
	11.2.2.	AddHandler btn.Click, AddressOf btn_Click
	11.2.3.	Add general to Label using AddHandler lblTitle.Click, AddressOf GenericEvent
	11.2.4.	Use AddHandler to add event handler to a button
	11.2.5.	Static and Dynamic Events