void AddCellItem(GroupSubItem item) { GroupCellItem sitem; for (int i = 0; i < 5; i++) { sitem = new GroupCellItem(); sitem.Text = "Cell Item " + i; item.SubItems.Add(sitem); } }
void AddSubItem(GroupItem item) { GroupSubItem sitem; for (int i = 0; i < 5; i++) { sitem = new GroupSubItem(); sitem.Text = "Sub Item " + i; if (i % 2 == 0) { sitem.IsOpen = true; } AddCellItem(sitem); item.SubItems.Add(sitem); } }