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IID_PPV_ARGS_Helper Function

Verifies that the type of the specified argument derives from the IUnknown interface.

Important note Important

This template specialization supports the WRL infrastructure and is not intended to be used directly from your code. Use IID_PPV_ARGS instead.

template<
   typename T
>
void** IID_PPV_ARGS_Helper(
   _Inout_ Microsoft::WRL::Details::ComPtrRef<T> pp
);

T

The type of argument pp.

pp

A doubly-indirect pointer.

Argument pp cast to a pointer-to-a-pointer to void.

A compile-time error is generated if the template parameter T doesn't derive from IUnknown.

Header: client.h

Other Resources

Reference (Windows Runtime Library)
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