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interop for vb6 dll

Posted on 2013-05-14
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Last Modified: 2013-05-21
We have created a VB6 dll that will need to be referenced in a .Net (VS 2010) project.  Normally when I reference com dlls, such as Microsoft.Excel, I see an interop being created in the references.  When I reference this dll, by browsing to it, the reference is created, but without the interop.  Do I somehow need to create an interop?  How do I do that?
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Question by:g_johnson
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käµfm³d   👽 earned 500 total points
ID: 39165784
Did you build the VB6 DLL as a COM component? I'm not fully sure why there are Interop* libraries for Office libraries (maybe they are wrappers around the new libraries), but if you exposed your VB6 as a COM component, then you should be able to use the library once you add the reference--no need to worry about an "Interop" piece.
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by:g_johnson
ID: 39166066
I guess I don't know what you mean by "build as a COM component."  I'm not the VB6 programmer, but all we do is "Make" the dll.
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by:g_johnson
ID: 39185409
As it turns out, the Interop was created, i.e., an interop file existed in the bin folder, but it didn't have "interop" in the reference name in the IDE like I'm used to seeing.
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