I have been trying, with little success, to work out how to pass a
struct from
C# into a C routine that has been registered with mono_add_internal_call().
Specifically, the struct has to be modified within the C routine and those
changes need to be reflected back into the managed C# struct.
I assumed, probably incorrectly, that the standard P/Invoke mechanisms
would be appropriate, and with the C# code using a ref modifier it appears
as if the structure is being sent into the C routine properly, but the
modified
struct is not being copied back into the C# side at all.
Is there any particular magic that is required with internal calls with
an embedded
application to get the copy in/copy out mechanism to work correctly?
Yours in desperation.
Tony McGrath
Chip Monks Computing.
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