Public Class Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Timer1.Start()
    End Sub

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        MsgBox("Hallo Test Timer 1")
        Timer1.Stop()
        Timer2.Start()
    End Sub

    Private Sub Timer2_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer2.Tick
        MsgBox("Hallo Test Timer 2")
        Timer2.Stop()
        Timer1.Start()
    End Sub
End Class