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Read/Write to registry in Binary (VB5)

Posted on 1998-06-15
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Last Modified: 2008-03-04
I need to be able to read and write to registry in Binary with VB5.  I know how to do Strings, Integers, Logicals, ect.
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Question by:Chizl
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Expert Comment

by:tstrob
ID: 1463335
Use API

RegOpenKeyEx to open the Registry
RegQueryValueEx to read the Value
RegCloseKey

RetVal = REgOpenKey(HKEY_LOCAL_MACHINE,"SOFTWARE\....",0,KEY_QUERY_VALUE, hkey);
RetVal = ReqQueryValueEx(hkey, "SourcePath",0, REG_SZ, ByVal Value, Len(Value))
RetVal = RegCloseKey(hkey)

msgbox "Your RegistryValue is : "  & value

All defined in API-Viewer:
HKEY_LOCALMACHINE
REG_SZ -> String (Null-Terminated)
REG_BINARY -> Number
REG_DWORD -> Double
KEY_QUERY_VALUE

hkey  is a long, it is a handle to your registry-key

For more details just ask...


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Author Comment

by:Chizl
ID: 1463336
I tested this and get back garbage.  Again I need to write this as well.  I relize it is binary, but I need to retrive this info and use it to place in other registries.  For instance the program we are writing will need the registry entries of:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\OLE, "DefaultAccessPermission" which is binary.   I need to be able to store that and then write it to a different registy on a different computer.
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LVL 4

Author Comment

by:Chizl
ID: 1463337
I tested this and get back garbage.  Again I need to write this as well.  I relize it is binary, but I need to retrive this info and use it to place in other registries.  For instance the program we are writing will need the registry entries of:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\OLE, "DefaultAccessPermission" which is binary.   I need to be able to store that and then write it to a different registy on a different computer.
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Author Comment

by:Chizl
ID: 1463338
Well that will not work.
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Expert Comment

by:TpB
ID: 1463339
Nothing prevents you from writing any value you want, write and read it, and interpit it however.

' Place some settings in the registry.
SaveSetting appname := "MyApp", section := "Startup", _
            key := "Top", setting := 75
SaveSetting "MyApp","Startup", "Left", 50


GetSetting(appname := "MyApp", section := "Startup", _
                       key := "Left", default := "25")


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tstrob earned 100 total points
ID: 1463340
ok, I forgot to explain:
The variable to read the value in must be initialised before !
Value = Space(20)   'Strings
Value = 0                ' Binary, Long etc...
Then my code works !

To store in Registry use:
RegSetValueEx

(HKEY_LOCAL_MACHINE must not be part of the string containing the pathname)

Regards,
   tstrob
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