public void Drop(IDropInfo drop_info)
{
ILayout source;
if (drop_info.Data is ProgramLayoutViewModel)
{
source = (drop_info.Data as ProgramLayoutViewModel).AssociatedObject;
}
else if (drop_info.Data is IconLayoutViewModel)
{
source = (drop_info.Data as IconLayoutViewModel).AssociatedObject;
}
else
{
throw new Exception();
}
application_settings.Move(source, drop_info.InsertIndex);
if (drop_info.Data is ProgramLayoutViewModel)
{
CurrentLayout = Layouts.OfType <ProgramLayoutViewModel>().Single(l => l.AssociatedObject == source);
}
else if (drop_info.Data is IconLayoutViewModel)
{
CurrentLayout = Layouts.OfType <IconLayoutViewModel>().Single(l => l.AssociatedObject == source);
}
}