imageviewer.cpp

来自「Visual C++编程宝典随书光盘里的代码」· C++ 代码 · 共 83 行

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

#include "stdafx.h"
#include <afxdllx.h>

#include "ImageViewer.h"
#include "ImageViewerView.h"
#include "ImageViewerDoc.h"

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


static AFX_EXTENSION_MODULE ImageViewerDLL = { 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("IMAGEVIEWER.DLL Initializing!\n");
		
		// Extension DLL one-time initialization
		if (!AfxInitExtensionModule(ImageViewerDLL, 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(ImageViewerDLL);
	}
	else if (dwReason == DLL_PROCESS_DETACH)
	{
		TRACE0("IMAGEVIEWER.DLL Terminating!\n");
		// Terminate the library before destructors are called
		AfxTermExtensionModule(ImageViewerDLL);
	}
	return 1;   // ok
}

BOOL CImageViewer::Init()
{
 BOOL bSuccess = FALSE;

 CWinApp* pApp = AfxGetApp();
 ASSERT(pApp);
 if (pApp)
 {
  CMultiDocTemplate* pDocTemplate;

  pDocTemplate = new CMultiDocTemplate(
   IDR_IMAGEDOCTYPE,
   RUNTIME_CLASS(CImageViewerDoc),
   RUNTIME_CLASS(CMDIChildWnd),
   RUNTIME_CLASS(CImageViewerView));

  ASSERT(pDocTemplate);
  if (pDocTemplate)
  {
   pApp->AddDocTemplate(pDocTemplate);
   bSuccess = TRUE;
  }
 }

 return bSuccess;
}