private void CreateLayoutItems(LayoutControl layout)
        {
            layout.BeginUpdate();
            try
            {
                layout.Clear();
                IList <DocumentItemBase> documentItems = GetSortedDocumentItems();
                if (documentItems.Count != 0)
                {
                    int itemsPerRow           = DefaultItemsPerRow;
                    ItemsPerRowAttribute attr = MemberInfo.FindAttribute <ItemsPerRowAttribute>();
                    if (attr != null)
                    {
                        itemsPerRow = attr.Value;
                    }



                    for (int rowNumber = 0; rowNumber < Math.Ceiling((decimal)documentItems.Count / (decimal)itemsPerRow); rowNumber++)
                    {
                        LayoutControlGroup row = layout.AddGroup();
                        row.Name = GetId("Row", rowNumber);
                        row.DefaultLayoutType   = DevExpress.XtraLayout.Utils.LayoutType.Horizontal;
                        row.GroupBordersVisible = false;

                        for (int cellNumber = 0; cellNumber < itemsPerRow; cellNumber++)
                        {
                            if (rowNumber * itemsPerRow + cellNumber < documentItems.Count)
                            {
                                DocumentItemBase  item = documentItems[rowNumber * itemsPerRow + cellNumber];
                                LayoutControlItem cell = new LayoutControlItem(layout, CreateDocumentItemEditor(item));
                                cell.Name = GetId("Cell", item);
                                cell.Text = item.Caption;
                                if (application.Model.Options.LayoutManagerOptions.EnableCaptionColon)
                                {
                                    cell.Text += ":";
                                }
                                row.Add(cell);
                            }
                            else
                            {
                                row.Add(new EmptySpaceItem());
                            }
                        }
                    }
                }
            }
            finally
            {
                layout.EndUpdate();
                layout.BestFit();
            }
        }
 private void ClearClick(object sender, RoutedEventArgs e)
 {
     LayoutControl.Clear();
 }