The methods defined in the ComboBox class are summarized in the following table.
| Method | Description |
|---|---|
| addItem | Adds a new item to a combo box |
| addItemAt | Adds a new item at a specified item index to a combo box |
| clear | Clears the contents of a combo box |
| closeDropDown | Closes (hides) the drop-down list of the combo box |
| displayCollection | Attaches the specified collection to the list portion of the combo box |
| findObject | Searches the list entries of a combo box for the object specified in the object parameter |
| findString | Searches the entries in a combo box for an entry with the specified string |
| findStringCaseSensitive | Searches the entries in a combo box for an entry with the specified case‑sensitive string |
| findStringExact | Searches the entries in a combo box for an entry that exactly matches the specified string |
| findStringExactCaseSensitive | Searches the entries in a combo box for an entry that exactly matches the specified case‑sensitive string |
| getCollection | Returns the collection attached to the combo box by the displayCollection or listCollection method |
| isDroppedDown | Returns true if the drop-down list of the combo box is visible |
| itemHasSubItems | Returns a Boolean value that indicates whether an item has subitems |
| itemVisible | Returns a Boolean value that indicates whether an item is visible |
| listCollection | Enables combo boxes to have a collection attached to them |
| listCount | Returns the number of items in the list portion of a combo box |
| newIndex | Returns the index of the item most recently added to a combo box |
| refreshEntries | Refreshes the displayed list of entries in the combo box |
| removeItem | Removes an item (and its subitems) from a combo box |
| showDropDown | Opens (shows) the drop-down list of the combo box |
For details, see "Window, Form, and Control Methods", later in this document.