在DevExpress网格中，如何在分组后更改汇总部分中粗体的值的颜色代码？请参考快照

private void gridView1_CustomDrawGroupRow(object sender, DevExpress.XtraGrid.Views.Base.RowObjectCustomDrawEventArgs e)
{
    GridView view = sender as GridView;
    GridGroupRowInfo info = e.Info as GridGroupRowInfo;

    if (info != null && view != null)
    {
        // 获取汇总值
        object summaryValue = view.GetGroupSummaryValue(info.RowHandle, view.GroupSummary[0]);

        // 根据汇总值设置颜色
        if (summaryValue != null && Convert.ToDecimal(summaryValue) > 100)
        {
            e.Appearance.ForeColor = Color.Red;
        }
        else
        {
            e.Appearance.ForeColor = Color.Black;
        }
    }
}

private void Form1_Load(object sender, EventArgs e)
{
    gridView1.CustomDrawGroupRow += gridView1_CustomDrawGroupRow;
}