[Csgl-users] Dll help - maybe a code snippet would help?

[Don-Duong Q. <dj...@ya...>]

Here's a code snippet from the managed C++ wrapper for gb::io::BinaryStream. 
#include "gbio/binarystream.h" // C++ class#using <MSCORLIB.DLL>using namespace System::Runtime::InteropServices;namespace gb { namespace cs { namespace io {     public __gc class BinaryStream     {     public:         BinaryStream ()        {            _p = new gb::io::BinaryStream ();        }        virtual ~BinaryStream ()        {            delete _p;            _p = 0;        }        int Open (System::String* s, int mode)        {            char *c_string = (char*)((void*)Marshal::StringToHGlobalAnsi (s));        // throws System.NullReferenceException            int ret = _p->Open (c_string, mode);             Marshal::FreeHGlobal ((System::IntPtr)((void*)c_string));            return ret;        }        void Close ()        {            _p->Close ();        }    // ...more code ....//    private:        gb::io::BinaryStream* _p;    };}// io}// cs}// gb

From "gbio/binarystream.h"        int gb::io::BinaryStream::Open (const std::string& filename, int mode)        {            mMode = std::ios_base::binary;            if (mode == READ)                mMode |= std::ios::in;            else if (mode == WRITE)                mMode |= std::ios::out;            else                return 0;            open (filename.c_str (), mMode);            return good ();        }
Thanks, Don


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