Find - Read - Set - RegKey - VBA

Public Const DWordRegKeyEnabled As Integer = 1
Public Const DWordRegKeyDisabled As Integer = 0

Public RegKeyStr As String, RegKeyLocStr As String, RegKeyNameStr As String
Public RegKeyDesiredStateInt As Integer, RegKeyCurrentStateInt As Integer
Public RegKeyFoundBool As Boolean

Public Sub SetMinMaxEnabledInExcelStatusBar()

 RegKeyDesiredStateInt = DWordRegKeyEnabled
 
 RegKeyLocStr = "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\" & Application.Version & "\Excel\StatusBar\"
 RegKeyNameStr = "MaxValue"
 RegKeyStr = RegKeyLocStr & RegKeyNameStr
 Debug.Print "RegKeyStr = " & RegKeyStr
 Call SetRegKey(RegKeyStr, RegKeyDesiredStateInt)
 RegKeyNameStr = "MinValue"
 Call SetRegKey(RegKeyStr, RegKeyDesiredStateInt)
 
End Sub
Public Sub SetRegKey(RegKeyStr As String, RegKeyDesiredStateInt As Integer)
 
 RegKeyFoundBool = RegKeyExists(RegKeyStr)
 Debug.Print "RegKeyFoundBool = " & RegKeyFoundBool
 
 If RegKeyFoundBool = False Then
  Debug.Print "RegKeyFoundBool = False"
  Call SaveRegKey(RegKeyStr, RegKeyDesiredStateInt)
 Else
  Debug.Print "RegKeyFoundBool = True"
  
  RegKeyCurrentStateInt = ReadRegKeyVal(RegKeyStr)
  Debug.Print "RegKeyCurrentStateInt = " & RegKeyCurrentStateInt
 
  If RegKeyCurrentStateInt <> RegKeyDesiredStateInt Then
   Debug.Print "RegKeyCurrentStateInt <> RegKeyDesiredStateInt"
   Call SaveRegKey(RegKeyStr, RegKeyDesiredStateInt)
  Else
   Debug.Print "RegKeyCurrentStateInt = RegKeyDesiredStateInt"
  End If
 End If

End Sub

Public Function ReadRegKeyVal(RegKeyStr As String) As Integer
 ReadRegKeyVal = CreateObject("WScript.Shell").RegRead(RegKeyStr)
End Function
Public Function RegKeyExists(RegKeyStr As String) As Boolean

  On Error GoTo ErrorHandler
  CreateObject("WScript.Shell").RegRead (RegKeyStr)
  RegKeyExists = True
  Exit Function
  
ErrorHandler:
  RegKeyExists = False
End Function
Public Sub SaveRegKey(RegKeyStr As String, RegKeyDesiredStateInt As Integer, Optional RegKeyType As String = "REG_DWORD")
 CreateObject("WScript.Shell").RegWrite RegKeyStr, RegKeyDesiredStateInt, RegKeyType
 Debug.Print "Generated --> " & RegKeyStr & "," & RegKeyDesiredStateInt & "," & RegKeyType
End Sub