/// <summary>
/// Retrieves an array of strings containing all the subkey names.
/// </summary>
public string[] GetSubKeyNames()
{
EnsureNotDisposed();
var names = new List <string>();
char[] name = ArrayPool <char> .Shared.Rent(MaxKeyLength + 1);
try
{
int result;
int nameLength = name.Length;
while ((result = Win32Native.RegEnumKeyEx(
_hkey,
names.Count,
name,
ref nameLength,
null,
null,
null,
null)) != Interop.Errors.ERROR_NO_MORE_ITEMS)
{
switch (result)
{
case Interop.Errors.ERROR_SUCCESS:
names.Add(new string(name, 0, nameLength));
nameLength = name.Length;
break;
default:
// Throw the error
Win32Error(result, null);
break;
}
}
}
finally
{
ArrayPool <char> .Shared.Return(name);
}
return(names.ToArray());
}
internal unsafe String[] InternalGetSubKeyNames()
{
EnsureNotDisposed();
int subkeys = InternalSubKeyCount();
String[] names = new String[subkeys]; // Returns 0-length array if empty.
if (subkeys > 0)
{
char[] name = new char[MaxKeyLength + 1];
int namelen;
fixed(char *namePtr = &name[0])
{
for (int i = 0; i < subkeys; i++)
{
namelen = name.Length; // Don't remove this. The API's doesn't work if this is not properly initialised.
int ret = Win32Native.RegEnumKeyEx(hkey,
i,
namePtr,
ref namelen,
null,
null,
null,
null);
if (ret != 0)
{
Win32Error(ret, null);
}
names[i] = new String(namePtr);
}
}
}
return(names);
}
