Public Class Form1
Dim Lines() As String = IO.File.ReadAllLines("C:\test.txt")
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
Label1.Text = Lines(1)
Label2.Text = Lines(2)
Label3.Text = Lines(3)
Label4.Text = Lines(4)
End Sub
End Class