private void SetDaysFolder(event_followup_log followup, ref IFolder folder) { var date = followup.date_created.Value; string year = date.Year.ToString(); string month = date.Month.ToString(); string days = date.Day.ToString(); if (folder.ItemExists(year)) folder = folder.GetFolder(year); else { folder = folder.CreateFolder(year); } if (folder.ItemExists(month)) folder = folder.GetFolder(month); else folder = folder.CreateFolder(month); if (folder.ItemExists(days)) folder = folder.GetFolder(days); else folder = folder.CreateFolder(days); }