selected_index() [2/2]

virtual domain_up_down & xtd::forms::domain_up_down::selected_index ( size_t  selected_index )

virtual

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.

Returns

Current domain_up_down.