Private Sub Status_quotationComboBox_SelectedIndexChanged(sender As _
  System.Object, e As System.EventArgs) Handles _
  Status_quotationComboBox.SelectedIndexChanged
        If Me.Status_quotationComboBox.Text = "Signature" And _
        Me.ComboBox_Signature.Text <> "" Then
            Call Module_Email.EMail_erstellen_Signature()
        End If
 
        If Me.Status_quotationComboBox.Text = "Email customer" Then
            Call Module_Email.EMail_erstellen_AngebotEN()
        End If
    End Sub