Read registry problem
Mark Hammond
mhammond at skippinet.com.au
Wed Aug 7 19:35:55 EDT 2002
Rémi wrote:
> I want to read a registry the next lines works well:
> reg = OpenKey(HKEY_CLASSES_ROOT,"")
> exefile = QueryValue(reg, "htmlfile\\shell\\open\\command")
>
> but the next lines ares problems (WindowsError [Errno 13] : Invalid data)
> reg = OpenKey(HKEY_CLASSES_ROOT,"")
> exefile = QueryValue(reg, "xmlfile\\shell\\Open\\command")
>
> The difference in registry is that the first key has a type of REG_SZ but
> the second key has a type of REG_EXPAND_SZ. I have tried to change
> QueryValue by QueryValueEx but the error is [Errno 2] file not found.
> What is the solution ?.
QueryValue wants a simple value. Also, it does appear QueryValue only
handles REG_SZ, so QueryValueEx is needed.
Try this:
>>> reg = OpenKey(HKEY_CLASSES_ROOT, "xmlfile\\shell\\Open\\command")
>>> QueryValueEx(reg, None)
(u'"F:\\Program Files\\Internet Explorer\\iexplore.exe" -nohome', 2)
Mark.
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