private static void OnURLChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
Uri url = (Uri)e.NewValue;
WorkspaceMenuItem item = (WorkspaceMenuItem)d;
item.URL = url;
}
private static void OnTitleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
string newTitle = (string)e.NewValue;
WorkspaceMenuItem item = (WorkspaceMenuItem)d;
item.Title = newTitle;
}