title: Hide files with some extension (dll) in visual studio solution explorer
body: <p>I have a VS2017 solution and project which is displaying these core dll libraries in solution explorer, which pollutes the view.</p>
  
  <p><a href="https://i.stack.imgur.com/R3P5G.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/R3P5G.png" alt="enter image description here"></a></p>
  
  <p>The dlls are included via a .targets file included in a 3rd party nuget package. 
  I know this because when I try right click item -> remove, I get error prompt: </p>
  
  <blockquote>
    <p>Cannot modify an evaluated object originating in an imported file
    "....nuget\packages\some.third.party.package\1.0.0\some.third.party.package.targets"</p>
  </blockquote>
  
  <p>Obviously, best thing to do would be to solve root problem and not include these dlls files in msbuild targets file, however let's assume I cannot remove/modify/update this 3rd party library and it is necessary to use.</p>
  
  <p>How can I configure Visual Studio (2017) to not show these dlls? Some way to filter the view is a good enough fix for me.</p>