title: How to delete files in Visual Studio Pre-build event command line
body: <p>I am trying to delete files in my <code>$(TargetDir)</code> within visual studio before building a project.</p>
  
  <p>How do you have to format command line to get around this problem I am getting below?
  <img src="https://farm4.static.flickr.com/3575/3459516474_65f59767d4_o.png" alt="alt text"></p>