selected_index() [1/3]

list_control & xtd::forms::choice::selected_index ( size_t  selected_index )

overridevirtual

When overridden in a derived class, Sets the zero-based index of the currently selected item.

Parameters

selected_index

A zero-based index of the currently selected item. A value of negative one (-1) is returned if no item is selected.

Implements xtd::forms::list_control.