public void HandleGridClick(EventData e, object a) {
CellSelection args = (CellSelection)a;
object item = _grid.GetDataItem(args.Row.Value);
if (item.GetType()==typeof(Group))
{
IGroupedDataView dataView = (IGroupedDataView)_grid.GetData();
Group group = (Group)item;
if (group.Collapsed)
{
dataView.ExpandGroup(group.GroupingKey);
}
else
{
dataView.CollapseGroup(group.GroupingKey);
}
e.StopImmediatePropagation();
e.PreventDefault();
}
}
