Hi Boris,

This seems to select an arbitrary cell on mouse click. However, we want them to be able to selected the group still, and then press the right/left keyboard keys without the selection moving on to the datarows below (i.e. trapping the input). Would you advise simple capturing key_down events and blocking them if the group header is selected? Any input here appreciated. Thanks.

This is better...

        private bool flag;
        private void ultraGrid1_BeforePerformAction(object sender, BeforeUltraGridPerformActionEventArgs e)
        {
            UltraGrid grid =(UltraGrid)sender;
            if (e.UltraGridAction == UltraGridAction.NextRow &&
                grid.ActiveRow.IsGroupByRow &&
                grid.ActiveRow.Expanded &&
                ((UltraGridGroupByRow)grid.ActiveRow).Rows.VisibleRowCount > 0)
            {
                this.flag = true;
            }
        }

        private void ultraGrid1_AfterPerformAction(object sender, AfterUltraGridPerformActionEventArgs e)
        {
            UltraGrid grid = (UltraGrid)sender;
            if (this.flag)                
            {
                this.flag = false;
                grid.ActiveRow.Cells[0].Activate();
                grid.ActiveRow.Cells[0].Selected = true;
            }
        }

That does look better - thanks Mike.