private void Init()
 {
     this.FolderId   = new FolderIdType();
     this.SortColumn = FolderViewColumnId.DateTime;
     this.SortOrder  = SortOrder.Descending;
     this.View       = FolderViewType.ConversationView;
 }
 public MailSortOptions(FolderViewColumnId columnId, PropertyDefinition itemSortProperty, PropertyDefinition conversationSortProperty)
 {
     this.ColumnId                = columnId;
     this.ItemSortProperty        = itemSortProperty;
     this.CoversationSortProperty = conversationSortProperty;
 }