> Message: 1
> Date: Tue, 9 Aug 2005 09:54:11 -0400
> From: Anthony Malizia <email@hidden>
> Subject: C++ interface definitions
> To: email@hidden
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>
> Hello:
> The IOUSB... and IOHID... interfaces are COM interfaces. But I only
> see the C declarations for these. Do you know where I can find the C+
> + declarations so that I can use the interfaces without the extra
> indirection or that extra first parameter?
>
There aren't any C++ declarations.
The fact that they are COM interfaces would be useful if you are an
implementer, rather than a client, although *declaring* such interfaces
directly in C++ requires that the compiler can lay out vtables in a
COM-compatible way, and AFAIK gcc cannot.
On the client side, you can write your own C++ wrapper around e.g.
IOUSBInterfaceInterface, but it is a lot of typing for little return. The
Firewire SDK contains C++ wrappers around Firewire interfaces (see
FWLib_Device.h), which you could use as an example.
hth, Stuart
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