title: c#: Convert hex to GUID
body: <p>Is there any way in C# to convert HEX to GUID?</p>
  
  <p>Example:</p>
  
  <p>I want to create a GUID with value equal to
  0xa145ce546fe5bbcf1745491b50a4233d19b8223c0a743cad6847142df8b63821640beeabe82824b7d2bf507cb487</p>