///<summary>Method reads in a ListBox to move items from, and another ListBox to move items into. It checks the first list's selected indices and then, if it
///finds a matching clinic it removes it from the "from" list and moves it to the "to" list.</summary>
private List <Clinic> MoveClinics(ListBox listFrom, ListBox listTo)
{
if (listFrom.SelectedIndices.Count == 0)
{
return(new List <Clinic>()); //If nothing is selected, change nothing so the UI doesn't refresh.
}
List <Clinic> listClinicsTo = listTo.AllTags <Clinic>();
List <Clinic> listMoved = new List <Clinic>();
//We go through the listFrom and find the SelectedIndicies. Then, remove them from the listFrom and add them to listTo after.
foreach (int index in listFrom.SelectedIndices.AsEnumerable <int>().OrderByDescending(x => x))
{
Clinic clinic = ((ODBoxItem <Clinic>)listFrom.Items[index]).Tag;
listFrom.Items.RemoveAt(index);
listMoved.Add(clinic);
}
listClinicsTo.AddRange(listMoved);
//Set box items again & deselect the listboxes
listClinicsTo.Sort(NaturalSort); //Sort Alphabetically
listTo.SetItems(listClinicsTo, x => x.Abbr);
return(listMoved);
}
