Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As _
      System.EventArgs) Handles MyBase.Load
        Me.TextBox1.PasswordChar = "¬"
        Me.TextBox1.MaxLength = 5
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As _
      System.EventArgs) Handles Button1.Click
        If Me.TextBox1.TextLength < 1 Then
            MessageBox.Show("Passwort muss zwischen 2 und 5 Zeichen enthalten")
        End If
    End Sub

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