public static IEnumerable <Tuple <string, string, object, RegistryValueKind> > EnumerateValues(this RegistryKey key, bool recursive = false, bool failOnSecurityException = false)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
foreach (var value in key.GetValueNames())
{
yield return(new Tuple <string, string, object, RegistryValueKind>(key.Name, value, key.GetValue(value), key.GetValueKind(value)));
}
if (recursive)
{
foreach (var subKey in key.GetSubKeyNames())
{
using (RegistryKey openedSubKey = key.OpenSubKeyInternal(subKey, failOnSecurityException))
{
if (openedSubKey != null)
{
foreach (var tuple in openedSubKey.EnumerateValues(recursive, failOnSecurityException))
{
yield return(tuple);
}
}
}
}
}
}
public static IEnumerable <Tuple <string, string, object, RegistryValueKind> > EnumerateValues(this RegistryKey key, string subKey, bool recursive = false, bool failOnSecurityException = false)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (string.IsNullOrEmpty(subKey))
{
foreach (var tuple in key.EnumerateValues(recursive, failOnSecurityException))
{
yield return(tuple);
}
}
else
{
using (RegistryKey openedSubKey = key.OpenSubKeyInternal(subKey, failOnSecurityException))
{
if (openedSubKey != null)
{
foreach (var tuple in openedSubKey.EnumerateValues(recursive, failOnSecurityException))
{
yield return(tuple);
}
}
}
}
}
private List <Tuple <string, string, uint> > GetScalingsList()
{
using (RegistryKey key = Registry.LocalMachine.OpenSubKey(graphicsDriversConfigurationSubKey))
{
return(key.EnumerateValues(true).
Where(tuple => tuple.Item2 == "Scaling" && tuple.Item4 == RegistryValueKind.DWord).
Select(tuple => new Tuple <string, string, uint>(tuple.Item1, tuple.Item2, Convert.ToUInt32(tuple.Item3))).
ToList());
}
}