public ListViewItem Insert (int index, ListViewItem item) { if (index < 0 || index > list.Count) throw new ArgumentOutOfRangeException ("index"); if (owner != null && owner.VirtualMode) throw new InvalidOperationException (); if (list.Contains (item)) throw new ArgumentException ("An item cannot be added more than once. To add an item again, you need to clone it.", "item"); if (item.ListView != null && item.ListView != owner) throw new ArgumentException ("Cannot add or insert the item '" + item.Text + "' in more than one place. You must first remove it from its current location or clone it.", "item"); if (is_main_collection) item.Owner = owner; else { if (item.Group != null) item.Group.Items.Remove (item); item.SetGroup (group); } list.Insert (index, item); if (is_main_collection || item.ListView != null) CollectionChanged (true); // force an update of the selected info if the new item is selected. if (item.Selected) item.SetSelectedCore (true); //UIA Framework event: Item Added OnUIACollectionChangedEvent (new CollectionChangeEventArgs (CollectionChangeAction.Add, item)); return item; }
void AddItem (ListViewItem value) { if (list.Contains (value)) throw new ArgumentException ("An item cannot be added more than once. To add an item again, you need to clone it.", "value"); if (value.ListView != null && value.ListView != owner) throw new ArgumentException ("Cannot add or insert the item '" + value.Text + "' in more than one place. You must first remove it from its current location or clone it.", "value"); if (is_main_collection) value.Owner = owner; else { if (value.Group != null) value.Group.Items.Remove (value); value.SetGroup (group); } list.Add (value); // force an update of the selected info if the new item is selected. if (value.Selected) value.SetSelectedCore (true); }
void AddItem (ListViewItem value) { if (list.Contains (value)) throw new ArgumentException ("An item cannot be added more than once. To add an item again, you need to clone it.", "value"); if (value.ListView != null && value.ListView != owner) throw new ArgumentException ("Cannot add or insert the item '" + value.Text + "' in more than one place. You must first remove it from its current location or clone it.", "value"); if (is_main_collection) value.Owner = owner; #if NET_2_0 else { if (value.Group != null) value.Group.Items.Remove (value); value.SetGroup (group); } #endif list.Add (value); }