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How to make interop registration free?

Posted on 2012-03-12
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Last Modified: 2012-03-20
In my application we have COM component, .Net components and there are tlbs for which the interop gets generated. These tlbs get register at the time of installation. We need to make it application to run registration free. I am able to run it for COM components and .net components.
Now I need to make the tlbs also registration free, anyone knows how to achieve it.

Thanks in advance.
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Question by:MrunalM
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Expert Comment

by:Bob Learned
ID: 37710937
If you have .NET 4.0, it has the ability to embedded COM interop type libraries.  If you don't have it, then I have no idea how you would achieve that.
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Author Comment

by:MrunalM
ID: 37712955
Hi TheLearnedOne,
Thanks for your reply.
I want to know how side by side configuration works for interop?
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Expert Comment

by:Bob Learned
ID: 37714273
Can you give me an example of what you mean by "side-by-side" with COM?  Are you talking about something like Word 2007 and Word 2010?  These are distinct type libraries, and each one would have a different reference in a .NET project, and would be embedded differently.  Embedding interop type libraries within a .NET assembly is not 100% perfect.  There are times when you are suggested to turn off embedded interop references.
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Author Comment

by:MrunalM
ID: 37718432
COM components gets registered in system registry. In side by side configuration we remove the dependency on registry by adding all the details in manifest file. Basically side by side configuration is used to overcome the problem of DLL hell.
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Expert Comment

by:Bob Learned
ID: 37722577
With embedded COM interop, the type libraries are loaded into the assembly, and that removes the need for registration in the system registry.  Therefore, you should be able to use any COM component that can be embedded.

Advanced COM Interoperability
http://msdn.microsoft.com/en-us/library/bd9cdfyx.aspx

There are references to side-by-side and embedded COM.
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Accepted Solution

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MrunalM earned 0 total points
ID: 37728043
I have added my tlb details in my application manifest (i.e. app_name.exe.manifest) as follows.

 <file name="tlb_name.tlb">
    <typelib tlbid="{D897017D-EC6A-4E42-8D89-245BBCDB446F}" version="1.0" helpdir="1.0 Type Library"/>
  </file>
  <comInterfaceExternalProxyStub name="InterfaceName" iid="{FB0FF818-0FF9-67AB-BFAE-35CB56E10851}" tlbid="{D897017D-EC6A-4E42-8D89-245BBCDB446F}" proxyStubClsid32="{00020424-0000-0000-C000-000000000046}"></comInterfaceExternalProxyStub>

If I unregister my tlb, my application is working.
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LVL 96

Expert Comment

by:Bob Learned
ID: 37728738
How is that any different from embedding a COM reference in the assembly?  Are you saying that you don't have 4.0?  COM references in 4.0 are added with Embedded COM Interop = true by default.
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Author Closing Comment

by:MrunalM
ID: 37741301
My application is working with this solution
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