How to apply Software Restriction policy for specific user in local group policy object ?

Question

I am working on implementing user based software restriction policy programmatically for local group policy object.
If i create a policy through Domain Controller,i do have option for software restriction policy in user configuration but in local group policy editor i don't have option for that.
When i look for the changes made by policy applied from Domain Controller in registry, they modifies registry values for specific users on path HKEY_USERS\(SID of User)\Softwares\Policies\Microsoft\Windows\Safer\Codeidentifiers
They also have registry.pol stored in SYSvol folder in Domain Controller. When i make the same changes in registry to block any other application, application is getting blocked.
I achieved what i wanted but is it right to modify registry values ?  
PS:- I am using Igrouppolicyobject API

Answer 1

I achieved what I wanted but is it right to modify registry values ?
You also can modify a registry programmatically based policy. Check this:
http://blogs.msdn.com/b/dsadsi/archive/2009/07/23/working-with-group-policy-objects-programmatically-simple-c-example-illustrating-how-to-modify-a-registry-based-policy.aspx
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