DevExpresss XtraGrid Footer CustomDraw

using DevExpress.Utils;
using DevExpress.XtraGrid.Views.Grid;
using System.Drawing;

private void gvMain_CustomDrawFooterCell(object sender, FooterCellCustomDrawEventArgs e)
{
    if (GridData == null)
    {
        return;
    }

    if (e.Column == colRepQtyName)
    {
        e.Info.DisplayText = _projectCumulativePlan;
        e.Info.Bounds = new Rectangle(e.Bounds.X, e.Bounds.Y, this.bandMain.Width, e.Bounds.Height);
        e.Info.Appearance.Options.UseTextOptions = true;
        e.Info.Appearance.TextOptions.HAlignment = HorzAlignment.Center;
        e.Painter.DrawObject(e.Info);
        e.Handled = true;
    }
    else
    {
        string fieldName = e.Column.FieldName;
        if (fieldName.StartsWith(CpjUtil.C_MonthColumnFieldNamePrefix))
        {
            string value = string.Format(e.Column.SummaryItem.DisplayFormat
                , _sortedValueWithAccum[fieldName.Split('_')[1].CPJToDateTime()].AccumValue);
            e.Info.DisplayText = value;
            e.Painter.DrawObject(e.Info);
            e.Handled = true;
        }
    }
}