title: Is this possible to generate self expiring download link in C# - WPF?
body: <p>I'm working on a C# - WPF project like Zune and want to sell some digital goods like apps by it so I want to create a disposable link to the files in my server and After successful payment in my application, generate a new download link for the requested file. Also this link should expire after it is downloaded.</p>
  
  <p>Is this possible to do? if yes how can i do it?</p>