###Function###
RegEnumKey

###Description###
Reads the name of a subkey according to it's instance.

###Syntax###
RegEnumKey ( "keyname", instance )


###Parameters###
@@ParamTable@@
keyname
	The registry key to read.
instance
	The 1-based key instance to retrieve
@@End@@


###ReturnValue###
@@ReturnTable@@
Success:	Returns the requested subkey name..
Failure:	Returns an empty string and sets @error to:
	 1 if unable to open requested key
	 2 if unable to open requested main key
	 3 if unable to remote connect to the registry
	-1 if unable to retrieve requested subkey (key instance out of range)
@@End@@

###Remarks###
A registry key must start with "HKEY_LOCAL_MACHINE" ("HKLM") or "HKEY_USERS" ("HKU") or "HKEY_CURRENT_USER" ("HKCU") or "HKEY_CLASSES_ROOT" ("HKCR") or "HKEY_CURRENT_CONFIG" ("HKCC").

When running on 64-bit Windows if you want to enum a key specific to the 64-bit environment you have to suffix the HK... with 64 i.e. HKLM64.


###Related###
RegEnumVal, RegDelete, RegWrite


###Example###
@@IncludeExample@@
