protected override void PrepareContainerForItemOverride(DependencyObject element, object item)
{
DataGridContext dataGridContext = DataGridControl.GetDataGridContext(this);
DataGridControl grid = (dataGridContext != null)
? dataGridContext.DataGridControl
: null;
base.PrepareContainerForItemOverride(element, item);
if (grid != null)
{
GroupByItem groupByItem = ( GroupByItem )element;
groupByItem.PrepareDefaultStyleKey(grid.GetView());
}
}
