Image List tests for comctl32 v6

[Joel Holdsworth]

Hi All,

I'm working on some tests to demonstrate some alpha-channel behaviour in
comctl32 ImageLists. The problem is that this behaviour is only present
in comctl32 v6, which of course you usually activate with an xml
manifest. For the wine test suite we have a helper function,
load_v6_module, that dynamically creates a manifest resource entry in
the module, which seems to activate v6 behaviour. However, while this
seems to activate v6 behaviour for controls, it seems not to for image
lists - my tests work if I link a manifest into the test suite, but
don't work via load_v6_module.

Does anyone have any thoughts about what might be going on here, and
what I should do with my tests?

Thanks
Joel