Re: [Swig-user] pointer passing between c# dlls and cpp dlls.

[William S F. <ws...@fu...>]

Ashish Shete wrote:
> Hi,
>
> I have 2 cpp dlls say ACPP.dll and BCPP.dll.
> ACPP.dll have following class,
>
> class A
> {
> public:
>     A(){};
>     int BlahBlah(){};
> };
>
> BCPP.dll has following class,
> #include "A.h"
> class B
> {
>     A * Arabic;
> public:
>     B(A * ar)
>     {
>         Arabic = ar;
>     };
>     void MakeMyDay()
>     {
>         Arabic->BlahBlah();
>     }
> };
>
> as you can see BCPP.dll is dependent on ACPP.dll.
>
> Now the problem:
> I need these two as separate c# dlls in a c# application. I am using
> SWIG to do this,
> I wrap headers for A, and form a ACSharp.dll. Wrapping B should Ideally
> generate BCsharp.dll. But to wrap B I need to define some typemaps in my
> .i file for B, in order to let SWIG know that B is dependent upon a
> class A which is in some other dll.
> How can I set the typemap? Please note that I need pointer passing
> between two C# dlls and C# to cpp dll.
> I have done some experimenting with Typemaps. It successfully genearates
> two separate c# dlls, but when I try to pass c# object of A into
> constructor of c# object of B, the application crashes. Could anybody
> please help me to fix this?
>
Are you using %import which is meant for multiple modules?. The manual 
has information, but you might also want to look at the 
Examples/test-suite/imports* files and associated runtime test in 
Examples/test-suite/csharp/imports_runme.cs.


William