Combobox
Combobox is wrapper for ListView, so you should mostly use ListView properties and events.
Also available AutocompleteCombobox, this is Autocomplete with Combobox-like behavior.
Options
ListView
TListViewCustomListView with items.
ToggleButton
ButtonButton to show and hide ListView on click.
Current
TComponentTemplate to display selected items.
HideAfterItemToggle
boolHide ListView right after item selected or deselected.
Events
OnShowListView
UnityEventThe event raised when ListView showed.
OnHideListView
UnityEventThe event raised when ListView hidden.
OnCurrentClick
UnityEvent<int, TItem>The event raised on click on displayed selected item.