Remote Win64 registry access from Win32 managed app ?

[Lance]

Since the following article was posted, have there been any updates to the
..NET framework (any version) to support remote access to the Win64 registry
from a managed app running on a Win32 system? We'd prefer to do this in
managed code without having to resort to PInvoke calling native code that
uses the KEY_WOW64_64KEY flag if possible.

Thanks,
-Lance

How to remotely access the Win64 registry from a Win32 machine in managed
code (Part II)
http://blogs.msdn.com/cumgranosalis/archive/2005/12/19/Win64RegistryPart2.aspx

 

[Jeffrey Tan[MSFT]]

Hi Lance,

This blog article should talk about the .Net Framework2.0.

Based on my research, I find that both .Net Framework3.0 and 3.5 has
defined KEY_WOW64_64KEY flag in an internal static class
"System.ServiceModel.ComIntegration.SafeNativeMethods". It is defined and
used by some internal *private* methods such as
System.ServiceModel.ComIntegration.RegistryHandle.Get64bitHKCR().
Unfortunately, these methods are not exposed in .Net Framework3.0/3.5 as
public methods, so they still can not be used by end user code but
leveraged by .Net Framework internal code.

Can you tell me why you can not use p/invoke in your own application with
KEY_WOW64_64KEY flag? As you can see, the .Net Framework code also
p/invokes the Win32 RegOpenKeyEx+KEY_WOW64_64KEY to get the job done. So
there should no problem if you use p/invoke to accomplish the job. The only
problem I can think of is the .Net code access security since p/invoke
requires SecurityPermission.UnmanagedCode. So, is it true that your
application does not have SecurityPermission.UnmanagedCode permission?

Thanks.

Best regards,
Jeffrey Tan
Microsoft Online Community Support

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