The index of the currently selected tab in the strip, if there is one. If the value is-1, there is currently no selection. If the value is 0 or greater, than the value is the index of the currently selected tab.
[Visual Basic] Public Property SelectedIndex As Integer [C#] public int SelectedIndex {get; set;} [C++] public: __property int get_SelectedIndex(); public: __property void set_SelectedIndex(int); [JScript] public function get SelectedIndex() : int; public function set SelectedIndex(int);