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To see the IIDs you can use the OLE/COM ObjectViewer utility in VisualStudio
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To see the IIDs you can use the OLE/COM ObjectViewer utility in VisualStudio

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I need to use a COM DLL (an in-process COM server) in an application. Its type library is built into the DLL file. No *_i.c file available. In order to use CoCreateInstance function, I need to know IIDs of the interfaces. <br />
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Now how to get the IID vlaues? 
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I need to use a COM DLL (an in-process COM server) in an application. Its type library is built into the DLL file. No *_i.c file available. In order to use CoCreateInstance function, I need to know IIDs of the interfaces. 

Now how to get the IID vlaues? 

How to find IID values of a COM?

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