Public Class uscntr_ConnectTel Private Sub FlatButton1_Click(sender As Object, e As EventArgs) Handles FlatButton1.Click If TextBox1.TextLength > 0 And TextBox2.TextLength > 0 Then Dim pascom As New cPascom pascom.Username = TextBox1.Text pascom.Arbeitsplatz = TextBox2.Text pascom.Anmelden() Else End If End Sub End Class