protected override void Popup_Opened(object sender, EventArgs e)
{
base.Popup_Opened(sender, e);
if (_timeListBox != null)
{
this.UpdateListBoxItems();
TimeSpan time = (Value != null) ? Value.Value.TimeOfDay : StartTimeDefaultValue;
TimeItem nearestItem = this.GetNearestTimeItem(time);
if (nearestItem != null)
{
_timeListBox.ScrollIntoView(nearestItem);
ListBoxItem listBoxItem = ( ListBoxItem )_timeListBox.ItemContainerGenerator.ContainerFromItem(nearestItem);
if (listBoxItem != null)
{
listBoxItem.Focus();
}
}
}
}