private void rGroupToolStripMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                FormCollection          frmColl     = Application.OpenForms;
                Enumeration.frmRGrpEnum objRgrpEnum = null;
                bool blFrmOpen = false;

                foreach (Form frm in frmColl)
                {
                    if (frm.Name.ToUpper() == "FRMRGRPENUM")
                    {
                        objRgrpEnum = (Enumeration.frmRGrpEnum)frm;
                        blFrmOpen   = true;
                        objRgrpEnum.Show();
                        objRgrpEnum.WindowState = FormWindowState.Maximized;
                    }
                }
                if (!blFrmOpen)
                {
                    objRgrpEnum           = new Enumeration.frmRGrpEnum();
                    objRgrpEnum.MdiParent = this;
                    objRgrpEnum.Show();
                }
            }
            catch (Exception ex)
            {
                PepsiLiteErrorHandling.WriteErrorLog(ex.ToString());
            }
        }