[Bug 43270] Exact Audio Copy does not detect plugins

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=43270

--- Comment #6 from Daniel Kamil Kozar <dkk089 at gmail.com> ---
I looked into this some more, and it appears that the data from the manifest is
entirely ignored at the time of the CoCreateInstance() call, leading the
function to lookup data inside the registry instead of data which should be
available at runtime. Calling CoCreateInstance() with the given CLSID leads to
create_monodata() being called, and failing due to the CLSID not being present
in the registry.

Here's some additional debugging I've tried :
1. Adding the <File> directive to the manifest embedded inside
PluginHandler.dll, since according to
https://docs.microsoft.com/en-us/dotnet/framework/interop/configure-net-framework-based-com-components-for-reg
even embedded manifests should contain a <File> directive. I hoped this might
help, seeing how actctx.c calls add_dll_redirect() only when a <File> directive
appears inside a manifest file.
However, that did not help, and CoCreateInstance() ended up looking for the
CLSID inside the registry anyway.

2. Manually creating the registry keys and values that create_monodata() looks
for, i.e.

[HKEY_CLASSES_ROOT\CLSID\{C55D92B1-4FDF-4B54-B817-98AB9569F4F4}\InprocServer32]
"Class"="MetadataPlugIn.PluginHandler"
"CodeBase"="C:\\Program Files\\Exact Audio Copy\\PluginHandler.dll"

However, this only led to the following error :

Unhandled Exception:
System.Runtime.InteropServices.MarshalDirectiveException: The type
`System.Array' layout needs to be Sequential or Explicit

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