Public Overrides Property SelectedIndex As Integer

Dim instance As LiveListBox
Dim value As Integer
 
instance.SelectedIndex = value
 
value = instance.SelectedIndex

public override int SelectedIndex {get; set;}

public:
property int SelectedIndex {
   int get() override;
   void set (    int value) override;
}

'In this example, items are added to a Live List control dynamically
'The items are simply reflections of when they were added
'When one of the items is selected, a LiveLabel is updated
'LiveList1 could be a LiveListBox, LiveDropDownList, LiveRadioButtonList or LiveCheckBoxList

Private Sub LiveButton1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LiveButton1.Click
    'Add items dynamically in code to a list control
    'When the LiveButton is pressed, a new item is added to the list
    LiveList1.Items.Add(DateTime.Now.ToString())
End Sub

Private Sub LiveList1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LiveList1.SelectedIndexChanged
    'A LiveLabel is updated whenever an item is selected from the list
    LiveLabel1.Text = "This item was added at " + LiveList1.Items(LiveList1.SelectedIndex).ToString()
End Sub

//In this example, items are added to a Live List control dynamically
//The items are simply reflections of when they were added
//When one of the items is selected, a LiveLabel is updated
//LiveList1 could be a LiveListBox, LiveDropDownList, LiveRadioButtonList or LiveCheckBoxList

private void LiveButton1_Click(object sender, System.EventArgs e)
{
	//Add items dynamically in code to a list control
	//When the LiveButton is pressed, a new item is added to the list
	LiveList1.Items.Add(DateTime.Now.ToString());
}

private void LiveList1_SelectedIndexChanged(object sender, System.EventArgs e)
{
	//A LiveLabel is updated whenever an item is selected from the list
	LiveLabel1.Text = "This item was added at " + LiveList1.Items[LiveList1.SelectedIndex];
}