title: C# - Getting the list or number of physical drives(not logical drives)
body: <p>I implemented the program to read and analyze physical disk bit-by-bit by accessing the path "\\.\PhysicalDrive0".</p>
  
  <p>I want users to select the physical disk among the list of physical disks.</p>
  
  <p>I know that I could read another physical disk if I change the last number of the path,
  but I do not know how to get the physical disk list or the number of physical disks.</p>
  
  <p>How could I get physical disk number lists?</p>
  
  <p>Which function do I have to use?</p>