title: Multiselect items in view model Grid View (Metro app)
body: <p>I have a <code>GridView</code> and i have set its data template to another view.</p>
  
  <p>What i want is to have a <code>SelectedItems</code> property in the view model, that will hold All the selected items of <code>gridview</code>.</p>
  
  <p>SelectedItems  field  in gridView is readonly (also not dependency property), hence it could not bound.</p>