title: Namespace: System.Windows.Media.Imaging trying to use it in my c# class
body: <p>Namespace:  System.Windows.Media.Imaging</p>
  
  <p>I am trying to use this a calss from this namespace but when I try to add it using 'using' in my directives I do not see System.Windows and the namepace. How to add it to my project so I can use BitmapImage class from it. </p>