ncbi_dbapi.cpp

来自「ncbi源码」· C++ 代码 · 共 62 行

/*
 * ===========================================================================
 * PRODUCTION $Log: ncbi_dbapi.cpp,v $
 * PRODUCTION Revision 1000.1  2004/06/01 17:37:08  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.3
 * PRODUCTION
 * ===========================================================================
 */

// ncbi_dbapi.cpp : Defines the initialization routines for the DLL.
//

#include "stdafx.h"
#include <afxdllx.h>
#include <dbapi/driver_mgr.hpp>

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif


static AFX_EXTENSION_MODULE Ncbi_dbapiDLL = { NULL, NULL };

extern "C" int APIENTRY
DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
{
    // Remove this if you use lpReserved
    UNREFERENCED_PARAMETER(lpReserved);

    if (dwReason == DLL_PROCESS_ATTACH)
    {
        TRACE0("NCBI_DBAPI.DLL Initializing!\n");
        
        // Extension DLL one-time initialization
        if (!AfxInitExtensionModule(Ncbi_dbapiDLL, hInstance))
            return 0;

        // Insert this DLL into the resource chain
        // NOTE: If this Extension DLL is being implicitly linked to by
        //  an MFC Regular DLL (such as an ActiveX Control)
        //  instead of an MFC application, then you will want to
        //  remove this line from DllMain and put it in a separate
        //  function exported from this Extension DLL.  The Regular DLL
        //  that uses this Extension DLL should then explicitly call that
        //  function to initialize this Extension DLL.  Otherwise,
        //  the CDynLinkLibrary object will not be attached to the
        //  Regular DLL's resource chain, and serious problems will
        //  result.

        new CDynLinkLibrary(Ncbi_dbapiDLL);
    }
    else if (dwReason == DLL_PROCESS_DETACH)
    {
        // Terminate the library before destructors are called
        TRACE0("NCBI_DBAPI.DLL Terminating!\n");
        AfxTermExtensionModule(Ncbi_dbapiDLL);
    }
    return 1;   // ok
}