Public Class Form1
    Private Sub Form1_KeyDown(ByVal sender As Object, ByVal e As _
      System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
        Me.Text = e.KeyCode     'der ASCII-Code
    End Sub
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As _
      System.EventArgs) Handles MyBase.Load
        Me.KeyPreview = True
    End Sub
End Class