oleidl.idl must include windows.h and ole2.h if COM_NO_WINDOWS_H is not defined.

Robert Shearman rob at codeweavers.com
Thu Oct 19 10:10:51 CDT 2006

Francois Gouget wrote:
> On Thu, 19 Oct 2006, Robert Shearman wrote:
> [...]
>>> Actually, in the PSDK there seems to be a correlation between
>>> COM_NO_WINDOWS_H and idl files. It's not 100% but that may be just be
>>> because they don't ship all the idl files. Also, the COM_NO_WINDOWS_H #ifdef
>>> is not present in the idl file, suggesting that it is being added by midl.
>> Yes, this is correct.
> Hmm, there must still be something more: for instance amvideo.h and 
> wtypes.h are midl generated and yet they don't have this 
> Still, the 2003SP2 SDK has 231 header files generated from an Idl file, 
> and only 44 of those are missing the COM_NO_WINDOWS_H section so it's a 
> good first approximation. Could it depend on the imported idl files?

Is there any pattern to those that are missing it?

I would only expect to see the COM_NO_WINDOWS_H stuff in headers 
generated from IDL files with at least one interface with the object 

Rob Shearman

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