private void FillKeys(RegistryKeySnapshot snapshot, RegistryKey key)
{
if (key.SubKeyCount != 0)
{
RegistryKeySnapshotCollection children;
children = new RegistryKeySnapshotCollection(snapshot);
// ReSharper disable once LoopCanBePartlyConvertedToQuery
foreach (string name in key.GetSubKeyNames())
{
// HACK: Although I thought key names were unique, clearly I was wrong as the scan used to crash on
// HKEY_LOCAL_MACHINE\SOFTWARE\Yamaha APO which appears at least twice on my system, although RegEdit
// only shows a single copy
if (!children.Contains(this.GetShortName(name)))
{
RegistryKey subKey;
subKey = this.GetSubKey(key, name);
if (subKey != null)
{
RegistryKeySnapshot childSnapshot;
childSnapshot = this.TakeSnapshot(subKey);
children.Add(childSnapshot);
}
}
}
snapshot.SubKeys = children;
}
}
private void CompareKeys(RegistryKeySnapshotCollection lhs, RegistryKeySnapshotCollection rhs,
ICollection <ChangeResult> results)
{
if (lhs != null && rhs != null)
{
this.CompareKeys(lhs, rhs, ChangeType.Insertion, results);
this.CompareKeys(rhs, lhs, ChangeType.Deletion, results);
}
}
private void CompareKeys(RegistryKeySnapshotCollection lhs, RegistryKeySnapshotCollection rhs, ChangeType type,
ICollection <ChangeResult> results)
{
foreach (RegistryKeySnapshot key in lhs)
{
string name;
RegistryKeySnapshot compare;
name = key.Name;
if (rhs == null || !rhs.TryGetValue(name, out compare))
{
results.Add(new ChangeResult(type, key.FullPath));
}
else if (type == ChangeType.Insertion)
{
this.CompareKeys(key, compare, results);
}
}
}