<BindableAttribute(True)> _
Public Property IsSelected As Boolean

Dim instance As ListBoxItem
Dim value As Boolean

value = instance.IsSelected

instance.IsSelected = value

[BindableAttribute(true)]
public bool IsSelected { get; set; }

[BindableAttribute(true)]
public:
property bool IsSelected {
    bool get ();
    void set (bool value);
}

public function get IsSelected () : boolean
public function set IsSelected (value : boolean)

<object IsSelected="bool" .../>