2

In C++ there are following structures

extern "C" {
    struct A_C {
        UINT32 number;
    }

    struct B_C {
        A_C nested;
        A_C* pointer;
    }
}

What is the proper attribute annotation of following C# structures

struct ACs {
    UInt32 number;
}

struct BCs {
    ACs nested;
    ACs pointer;
}

so that BCs.nested will be mapped to B_C.nested and BCs.pointer will map to B_C.pointer?

It can be achieved by implementing ICustomMarshaler but is there a solution without additional procedural code?

Improve this question
4
  • Since everything is a primitive, can you get an IntPtr to the whole structure? I mean without attributes or anything extra... Commented Apr 10, 2020 at 20:36
  • 1
    @rfmodulator Yes, Bcs.pointer can be of type IntPtr. But I want PInvoke framework to unwrap that pointer directly to ACs structure. Commented Apr 10, 2020 at 20:40
  • I was thinking something like this: stackoverflow.com/a/40496773/1048799 ...they are using StructLayout, but that makes sense. Commented Apr 10, 2020 at 20:46
  • 1
    There are only few attributes that one can set on structure fields. There's nothing that would suit this case, you must use an IntPtr. Commented Apr 10, 2020 at 21:29
Related questions
3
Marshalling in c# ( Passing structure to an unmanaged type )
14
How do I marshal a structure as a pointer to a structure?
4
How to pass a pointer to a struct via Pinvoke?
Load 7 more related questions Show fewer related questions

0

Reset to default

Start asking to get answers

Find the answer to your question by asking.

Ask question

Explore related questions

See similar questions with these tags.