[ VC(Visual C++) ]-DLL系列(01_DLL共享記憶體)

[ VC(Visual C++) ]-DLL系列(01_DLL共享記憶體)

本篇要分享DLL共享記憶體，有興趣的(C/P)同好，歡迎來http://filemarkets.com/file/jashliao/d3f5c30a/索取，因為我不會上傳檔案分享 哈哈 ^ ^。

主要程式碼 :

// mfcdll.cpp : Defines the initialization routines for the DLL. //   #include "stdafx.h" #include "mfcdll.h" //////////////////////////////////////////////// #pragma data_seg(".SHARDAT") static HWND      ghWndMain  = 0; static HHOOK     ghKeyHook = NULL ; #pragma data_seg()   HINSTANCE ghInstance = 0; HOOKPROC  glpfnHookProc = 0; ///////////////////////////////////////////////// #ifdef _DEBUG #definenew DEBUG_NEW #undef THIS_FILE staticchar THIS_FILE[] = __FILE__; #endif   // //    Note! // //        If this DLL is dynamically linked against the MFC //        DLLs, any functions exported from this DLL which //        call into MFC must have the AFX_MANAGE_STATE macro //        added at the very beginning of the function. // //        For example: // //        extern "C" BOOL PASCAL EXPORT ExportedFunction() //        { //            AFX_MANAGE_STATE(AfxGetStaticModuleState()); //            // normal function body here //        } // //        It is very important that this macro appear in each //        function, prior to any calls into MFC.  This means that //        it must appear as the first statement within the //        function, even before any object variable declarations //        as their constructors may generate calls into the MFC //        DLL. // //        Please see MFC Technical Notes 33 and 58 for additional //        details. //   ///////////////////////////////////////////////////////////////////////////// // CMfcdllApp   BEGIN_MESSAGE_MAP(CMfcdllApp, CWinApp)     //{{AFX_MSG_MAP(CMfcdllApp)         // NOTE - the ClassWizard will add and remove mapping macros here.         //    DO NOT EDIT what you see in these blocks of generated code!     //}}AFX_MSG_MAP END_MESSAGE_MAP()   ///////////////////////////////////////////////////////////////////////////// // CMfcdllApp construction   CMfcdllApp::CMfcdllApp() {     // TODO: add construction code here,     // Place all significant initialization in InitInstance }   ///////////////////////////////////////////////////////////////////////////// // The one and only CMfcdllApp object int EXPORTED_DLL_FUNCTION jashGetValue () {     return lngtestValue; } void EXPORTED_DLL_FUNCTION jashSetValue (int a) {     lngtestValue=a; } int EXPORTED_DLL_FUNCTION KbdHookProc (int a, int b) {    int r;     r=a+b;     return (r); } CMfcdllApp theApp;   BOOL CMfcdllApp::InitInstance() {     // TODO: Add your specialized code here and/or call the base class     AFX_MANAGE_STATE(AfxGetStaticModuleState());     ghInstance = AfxGetInstanceHandle();    return CWinApp::InitInstance(); }   int CMfcdllApp::ExitInstance() {     // TODO: Add your specialized code here and/or call the base class         return CWinApp::ExitInstance(); }