9.4.2 IsExistRegKey (check whether a registry subkey exists)

Purpose

Checks whether a registry subkey exists and returns True or False.

Syntax

IsExistRegKey(RegKey, SubKey)

Arguments

RegKey

Specify the registry key as one of the following:

HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS

SubKey

Specify the registry subkey as a character string or as a variable that stores this value.

Description

The IsExistRegKey command checks whether a registry subkey exists. The command returns True if the subkey exists, or False if not.

Example

' If a JP1/Script registry subkey exists,
' check whether it is empty.
Dim regKey, subKey
regKey = HKEY_LOCAL_MACHINE
subKey = "Software\Hitachi\JP1/Script"
If  IsExistRegKey(regKey, subKey) = True  Then
  isEmp = IsEmptyReg( regKey ,subKey)
  If isEmp = True Then
     MessageBox( "Empty !" )
  Else
     MessageBox ( "Not Empty !" )
  End
End

JP1/Script version

Supported from JP1/Script 01-00.

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