Public Class Form15
    Private Sub Button5_Click(sender As Object, e As EventArgs) Handles Button5.Click
        Form1.Show()
        Me.Close()
    End Sub

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Form11.Show()
        Me.Hide()
    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
        Form14.Show()
        Me.Hide()

    End Sub

    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
        Form16.Show()
        Me.Hide()
    End Sub

    Private Sub Button4_Click(sender As Object, e As EventArgs) Handles Button4.Click
        Form17.Show()
        Me.Hide()
    End Sub

    Private Sub Button6_Click(sender As Object, e As EventArgs) Handles Button6.Click
        Form18.Show()
        Me.Hide()
    End Sub
End Class