custom WRL component creation in C++ metro app

Question

Hi

I build a simple WRL componet by using template and add one method foo(). Then I add c++ metro style application in the same solution. In this c++ metro client, I add reference to my custom WRL component. 

Now the issue comes, I use ActivateInstance or GetActivateFactory

RoInitializeWrapper initialize(RO_INIT_MULTITHREADED);
       ComPtr<ICalculator> cal;
HString::MakeReference(InterfaceName_Contoso_ICalculator).Get(),&cal);
ComPtr<IActivationFactory> myActivationFac;
HRESULT hr = GetActivationFactory(HString::MakeReference(RuntimeClass_Contoso_Calculator).Get(), &myActivationFac);

hr is always return class not registered error.

But, if I used the build in WRL component, then it's fine. I search entire forums and cannot find the answer and sample code.   Seems to me this is not support for c++ metro client. Please share your experience. 

Thanks,

SmoothConnection

Answer 1

Hi,

How about this sample codes for WRL component?
http://code.msdn.microsoft.com/windowsapps/Windows-Runtime-Component-e3e1e38d

Best regards,
Jesse

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Jesse Jiang [MSFT]
MSDN Community Support | Feedback to us

Answer 2

Hi Jesse,

thanks for reply. I need to use c++ metro client, not javascript. I found if I use cx, then I never has any issue. For WRL component this issue happens often. It seems it's related with winmd file and references. Some one has similar problem before.

http://social.msdn.microsoft.com/Forums/en-US/winappswithnativecode/thread/5db9ed94-5ba9-4ba6-9231-41f78e55dc3d

Cheers,

-All smooth.