key

A string whose value names the key in
the system registry whose value you want.

To uniquely identify a key, specify the list of parent keys
above it in the hierarchy, starting with the root key. The keys
in the list are separated by backslashes.

valuename

A string containing the name of a value
in the registry. Each key can have one unnamed value and several
named values. For the unnamed value, specify an empty string.

valuetype

A value of the RegistryValueType enumerated
datatype identifying the datatype of a value in the registry. Values
are:

• RegString! – A null-terminated
  string

• RegExpandString! – A null-terminated string
  that contains unexpanded references to environment variables

• RegBinary! – Binary data

• ReguLong! – A 32-bit number

• ReguLongBigEndian! – A 32-bit number

• RegLink! – A Unicode symbolic link

• RegMultiString! – An unbounded array of
  strings

valuevariable

A variable corresponding to the datatype
of valuetype in which you want to store the
value obtained from the system registry for the specified key and
value name.