take ownership of registry key with .NET 2.0?

[Andrew]

I spent tons of time searching the web for how to use .NET 2.0 and C# to
modify Registry key security. After finally finding an example, and once I
knew the function names a few other small examples.. I can still find
nothing that demonstrates how to take ownership of a Registry key if one
has (potentially) *only* "write owner"

The problem, of course is that normally, to read or change permissions, one
needs to "open" the registry key to get a handle to it.. but of course if
you do not have permission to do that, it fails and you get a null handle
which is pretty much useless for changing registry key access ;)

I open a root key:

RegistryKey myKey = Registry.ClassesRoot; // or whichever..

And try to open my sub key, which I only have "write owner" permission
(with "true" for write, since I want to write a new owner):

myKey = myKey.OpenSubKey("mySubKeyName", true);

Which, of course.. fails.

The issue is obviously known to MS, since they have a page specifically on
how to solve the problem in C++ (I think?) at:

http://support.microsoft.com/default...b;en-us;111546

Any help very much appreciated! -- Thanks!

--
Andrew

[Willy Denoyette [MVP]]

"Andrew" <no******************@earth.universe> wrote in message
news:17*****************************@40tude.net...

I spent tons of time searching the web for how to use .NET 2.0 and C# to
modify Registry key security. After finally finding an example, and once I
knew the function names a few other small examples.. I can still find
nothing that demonstrates how to take ownership of a Registry key if one
has (potentially) *only* "write owner"

The problem, of course is that normally, to read or change permissions,
one
needs to "open" the registry key to get a handle to it.. but of course if
you do not have permission to do that, it fails and you get a null handle
which is pretty much useless for changing registry key access ;)

I open a root key:

RegistryKey myKey = Registry.ClassesRoot; // or whichever..

And try to open my sub key, which I only have "write owner" permission
(with "true" for write, since I want to write a new owner):

myKey = myKey.OpenSubKey("mySubKeyName", true);

Which, of course.. fails.

The issue is obviously known to MS, since they have a page specifically on
how to solve the problem in C++ (I think?) at:

http://support.microsoft.com/default...b;en-us;111546

Any help very much appreciated! -- Thanks!

--
Andrew

Only "admlinistrators" can do this, are you running as an administrator?.

Willy.

[Andrew]

Only "admlinistrators" can do this, are you running as an administrator?.

Willy.

I was under the impression that anybody with "write owner" permission could
do it. Thanks for the tip.

However, I am running windows XP as an administrator.

--
Andrew