How Can I Clear Selection of NSComboBox in Swift or Objective-C?

Question

We can clear the selection of ComboBox coding this:

combobox.SelectedIndex=-1;

with C# on Windows. However, it this coding methodology cannot run for macOS and iOS NSComboBox with Swift or Objective - C. What is the real solution ? Thanks.

Answer 1

Look in the documentation. NSComboBox has a method:

func deselectItem(at index: Int)

and to get the index of the selected item:

var indexOfSelectedItem: Int { get }