// doc ⬇️WinUI Methods
Sets the property path that is used to get the SelectedValue property of the SelectedItem property. The default is String.Empty.
Sets the value of the selected item, obtained by using the SelectedValuePath. The default value is null.
Sets the selected item. The default value is null.
Sets the index of the selected item. The default is -1, which indicates that no item is selected.
Sets a value that indicates whether a Selector should keep the SelectedItem synchronized with the current item in the Items property. The default value is null/indeterminate.