VB.Net/Event/Mouse Enter Leave

Handle Mouse Enter and Leave actions

Imports System
Imports System.Collections
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Resources
Imports System.Drawing
Imports System.Drawing.Drawing2D

Public Class MainClass
    Shared Sub Main()
        Dim myform As Form = New Form1()
        Application.Run(myform)
    End Sub
End Class
Public Class Form1
    Private Sub btnSayHello_Click(ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles btnSayHello.Click
        "Display a MessageBox
        MessageBox.Show("Hello, world!", Me.Text)
    End Sub
    Private Sub btnSayHello_MouseEnter(ByVal sender As Object, _
        ByVal e As System.EventArgs) Handles btnSayHello.MouseEnter
        "Change the Button text
        btnSayHello.Text = "The mouse is here!"
    End Sub
    Private Sub btnSayHello_MouseLeave(ByVal sender As Object, _
        ByVal e As System.EventArgs) Handles btnSayHello.MouseLeave
        "Change the Button text
        btnSayHello.Text = "The mouse has gone!"
    End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.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.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.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.btnSayHello = New System.Windows.Forms.Button
        Me.SuspendLayout()
        "
        "btnSayHello
        "
        Me.btnSayHello.Location = New System.Drawing.Point(22, 22)
        Me.btnSayHello.Name = "btnSayHello"
        Me.btnSayHello.Size = New System.Drawing.Size(165, 23)
        Me.btnSayHello.TabIndex = 0
        Me.btnSayHello.Text = "Hello, world!"
        "
        "Form1
        "
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(209, 67)
        Me.Controls.Add(Me.btnSayHello)
        Me.Name = "Form1"
        Me.Text = "Hello, world! 2.0"
        Me.ResumeLayout(False)
    End Sub
    Friend WithEvents btnSayHello As System.Windows.Forms.Button
End Class