public void AdministerCertificate(AdministerCertificateWindow window)
{
dataserver.AddCertificaatToGebruiker(SelectedCertificaat, SelectedGebruiker);
window.Close();
}
public void OpenAdministerCertificateWindow()
{
_administerCertificateWindow = new AdministerCertificateWindow();
_administerCertificateWindow.Owner = Application.Current.MainWindow;
_administerCertificateWindow.Show();
}