How to get the selected radial menuitem in the WinForms RadialMenu?

//Hooks the MouseUp event for the whole RadialMenu Items
foreach (Control item in this.radialMenu1.Controls)
{
    if (item is RadialMenuItem)
    {
        (item as RadialMenuItem).MouseUp += Form1_MouseUp;
    }
}
void Form1_MouseUp(object sender, MouseEventArgs e)
{
    if (sender is RadialMenuItem)
    {
        //Gets the index of the selected menu item.
        int index = (sender as RadialMenuItem).Index;
        //Gets the text of the selected menu item
        string selectedText = (sender as RadialMenuItem).Text;
   }
}

'Hooks the MouseUp event for the whole RadialMenu Items
For Each item As Control In Me.radialMenu1.Controls
    If TypeOf item Is RadialMenuItem Then
        AddHandler TryCast(item, RadialMenuItem).MouseUp, AddressOf Form1_MouseUp
    End If
Next item
Private Sub Form1_MouseUp(ByVal sender As Object, ByVal e As MouseEventArgs)
    If TypeOf sender Is RadialMenuItem Then
        'Gets the index of the selected menu item.
        Dim index As Integer = (TryCast(sender, RadialMenuItem)).Index
        'Gets the text of the selected menu item
        Dim selectedText As String = (TryCast(sender, RadialMenuItem)).Text
        End Select
    End If
End Sub