>>>I setup the following code to check for the existance of a printer ( I intend to use the program as a postsetup call for vfp setup ). When I run it I get a response of 5 from the RegOpenKeyEx function. I have checked the path with regedit and it exists. I am confused :(
>>>
>>>Can the Klingons come to the rescue?
>>>
>>>Also, what is the 4th parameter for. It was defined as nSecurityAccess in the declaration but I can't find a list of what the numbers should mean.
>>>
>>>I know the registry class would make this simpler but I have the bit in my teeth now and I don't want to let go.
>>>
>>>Here is the code:
>>>
>>>**************************************************************************
>>>*** Add PDF printer IF it is NOT already there
>>>**************************************************************************
>>>*** Check registry for existance of 'DocuComm PDF Driver' checks for
>>>*** existance of:
>>>*** HKEY_LOCAL_MACHINE\System\CurrentControlSet\control\Print\Printers\DocuCom PDF Driver
>>>*** registry entry.
>>>#INCLUDE Programs\Registry.H && Handles number parameter converting them to user
>>> * friendly names ie HKEY_LOCAL_MACHINE to -2147483646
>>>
>>>
>>>*** Setup structure for Win32API
>>>LOCAL lnHandle, lnSuccess
>>>
>>>DECLARE INTEGER RegOpenKeyEx IN Win32API ;
>>> INTEGER nStartHandle, ;
>>> STRING cKeyToOpen, ;
>>> INTEGER nReservedZero, ;
>>> INTEGER nSecurityAccess, ;
>>> INTEGER @nOpenHandle
>>>
>>>
>>>DECLARE INTEGER RegCloseKey IN Win32API ;
>>> INTEGER nHKey
>>>
>>>set step on
>>>
>>>STORE 0 TO lnHandle,lnSuccess
>>>*- Open the PDF printer key
>>>lnSuccess = RegOpenKeyEx(HKEY_LOCAL_MACHINE, ;
>>> "SYSTEM\CurrentControlSet\Control\Print\Printers\DocuCom PDF Driver", 0, 0, @lnHandle)
>>>
>>>lnSuccess = RegCloseKey(lnHandle)
>>
>>I think that the security parameter needs to be a combination of one or more of the following values:

>>#define KEY_QUERY_VALUE         0x0001
>>#define KEY_SET_VALUE           0x0002
>>#define KEY_CREATE_SUB_KEY      0x0004
>>#define KEY_ENUMERATE_SUB_KEYS  0x0008
>>#define KEY_NOTIFY              0x0010
>>#define KEY_CREATE_LINK         0x0020

>
>
>Well that will keep me chewing for a while. Do you know why I am getting the "5 - Access Denied" return value?

It's a SWAG, but I'd say because you're not passing the necessary security flags.