System.Windows.Forms.ComboBox.ObjectCollection.AddItem C# (CSharp) Method

			private int AddItem (object item, bool suspend)
			{
				// suspend means do not sort as we put new items in, we will do a
				// big sort at the end
				if (item == null)
					throw new ArgumentNullException ("item");
				
				if (owner.Sorted && !suspend)
				{
					int index = 0;
					foreach (object o in object_items)
					{
						if (String.Compare (item.ToString (), o.ToString ()) < 0)
						{
							object_items.Insert (index, item);
							
							// If we added the new item before the selectedindex
							// bump the selectedindex by one, behavior differs if
							// Handle has not been created.
							if (index <= owner.selected_index && owner.IsHandleCreated)
								owner.selected_index++;
							
							//UIA Framework event: Item added
							OnUIACollectionChangedEvent (new CollectionChangeEventArgs (CollectionChangeAction.Add, item));
							
							return index;
						}
						index++;
					}
				}
				object_items.Add (item);
				
				//UIA Framework event: Item added
				OnUIACollectionChangedEvent (new CollectionChangeEventArgs (CollectionChangeAction.Add, item));
				
				return object_items.Count - 1;
			}