How to call method after install my setup of application in VB.NET

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VB

I want to call event and method after my setup is complete.
I have setup file of windows form application and I try to call event after-install but I don't get it how to call for application I get all solution for service please give me step by step example how to call afterInstallEvent For Application
thanx in advance

What I have tried:

<pre>  Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load

        Me.WriteToFile("From Laod Form")

    End Sub
  
  Public Event AfterInstall As InstallEventHandler
   
    Sub New()
        MyBase.New()
        AddHandler AfterInstall, AddressOf AfterInstallEventHandler
        Me.WriteToFile("From handler")
    End Sub 'New

    Private Sub AfterInstallEventHandler(ByVal sender As Object, _
                                    ByVal e As InstallEventArgs)
        ' Add steps to perform any actions after the install process.
        Console.WriteLine("Code for AfterInstallEventHandler")
        Me.WriteToFile("Log Entry ")

    End Sub 'AfterInstallEventHandler



    Private Sub WriteToFile(text As String)
        Dim path As String = "Log File Path"
        Using writer As New StreamWriter(path, True)
            writer.WriteLine(String.Format(text))
            writer.Close()
        End Using
    End Sub