VB .NET Auto Restart application after it is clash

Concept :

- create two window form

- 1st form will act as a watchdog program to watch the 2nd form

- if the 2nd form clashed or closed, it will auto start back the 2nd form.

- when 2nd form Disposed will close the 1st form

'******

'Form1

'******

Public Class form1

Public Sub New()

InitializeComponent()

Application.EnableVisualStyles()

Dim frm As New form2()

AddHandler Application.ThreadException, AddressOf frm1.UnhandledThreadExceptionHandler

Application.Run(frm)

End Sub

End Class

'******

'Form2

'******

Imports System.Threading

Public Class form2

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

'Simulate Exception

If 1 + "A" Then

End If

End Sub

Public Sub UnhandledThreadExceptionHandler(ByVal sender As Object, ByVal e As ThreadExceptionEventArgs)

Me.HandleUnhandledException(e.Exception)

End Sub

Public Sub HandleUnhandledException(ByVal e As Exception)

Application.Restart()

End Sub

Private Sub frmSecond_Disposed(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Disposed

form1.Close()

End Sub

End Class