What function does RegReadSZ do?

I've had that error in the past when a reg key doesn't exist so I've used this. (using your example)

VB Code:
  1. Dim sKey as String
  2.  
  3. sKey = RegReadSZ(HKEY_LOCAL_MACHINE, strSubKey, "Reg_FirstTime", strRet)
  4.  
  5. If sKey <> "" Then
  6.  
  7.     If sKey <> "No" Then
  8.     'do your stuff
  9.     End If
  10.  
  11. End If