Action
               
               Gets the index of the active navigation item, where the first item is at an index of 0. The default value is -1.
               
            
            
            
               Syntax
               
               
               C#
                  
protected Integer selectedIndex { get; }
                  VB
                  
'Declaration
Protected Read Property selectedIndex As Integer
                   
            
            
               
Access
               
               Read only.