private void conferentieListBox_SelectedIndexChanged(object sender, EventArgs e)
{
if (conferentieListBox.SelectedItems.Count == 1)
{
conferentieDagPanel.Visible = true;
Conferentie conf = (Conferentie)conferentieListBox.SelectedItem;
volledigeConferentieCheckBox.CheckState = CheckState.Unchecked;
conferentieDagenCheckedListBox.Items.Clear();
sessieListBox.Items.Clear();
List <ConferentieDag> dagen = DataConferentieDag.GeefConferentieDagen(conf.ID);
if (dagen.Count == 0)
{
volledigeConferentieCheckBox.Enabled = false;
}
else
{
volledigeConferentieCheckBox.Enabled = true;
conferentieDagenCheckedListBox.Items.AddRange(dagen.ToArray());
}
}
}
