I am trying to call a function within a DLL using Win32::API and am trying to do using Import and prototypes.

The parameters required by the function are all custom types, and so after reading the C header files and Win32::API::Type I have defined these types and Imported the function:

use strict;
use Win32::API;

Win32::API::Type->typedef( 'OMDTEXTZ', 'TCHAR');
Win32::API::Type->typedef( 'OMDERROR', 'ULONG');
Win32::API::Type->typedef( 'OMD32U', 'ULONG' );
Win32::API::Type->typedef( 'OMDCLIENT', 'ULONG' );

Win32::API->Import( 'omdapi',
    'OMDERROR OMDClientCreate (
            OMDTEXTZ* pUsername,
            OMDTEXTZ* pPassword,
            OMDTEXTZ* pDomain,
            OMD32U options,
            OMDCLIENT* pClient
    )'
);

## my $return = OMDClientCreate( "OMG, I am so confused!" );
[download]

My question is: how am I supposed to call OMDClientCreate? When the C function wants a OMDTEXTZ* do I simply give it a Perl string? What about when it wants a OMDCLIENT* to return me the client handle?

I have found little to no documention in either Win32::API or Win32::API::Type to explain how this is done.

Thanks,

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In reply to Win32::API - How to call an Imported function with Win32::API::Types ? by fx

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