Implements RegistryReader using the Windows API to access the registry of a live system.
```rust
fn testreg(reg : &mut Box) { let keys = reg.enumeratekeys(HkeyCurrentUser).unwrap(); assert!(keys.contains("SOFTWARE")); assert!(keys.contains("Microsoft")); }
let registry = LiveRegistryReader::new(); let mut registry : Box = Box::new(registry);
test_reg(&mut registry); ```