MFC ?? #import ?? ????? ??? ???? C++ ?? Excel ?? ???????? ???? ?? ??? ???? ????

???? ?????? ???? ??????
???? ID: 216686 - ?? ???????? ?? ?????? ??? ?? ?? ???? ???? ???? ??.
??? ?? ??????? ???? | ??? ?? ??????? ????

??????

???? ??????? ????? ?? ??? ?? ??? ??? ???? C++ ??? ???? ???? ?? foremost, ?? ??????? ??? ?? ???? ?? ????? ??? ???? ?? ???? ??? ????, ???? ??? ???? ????, ??? ?? ???? ???? ?? ??? ???? ??? ?? ???, ???? ???? ???? ?? ????????? ?? ?????? ??? ??? ?? MFC ?? ????? ???? ?? ??? dedicated ??? ???? ???? ?? ????? C++ ?? ??? COM ?????? (#import), ?? ??? ?? ???? ??? ???? ?? delve IDispatch ?? COM ??????? ?? guts ??? ??????? ???? ?? ?? frameworks ?? ??? ?????? ?? ???? ?? ????

???? ???????

?? ?????? ????? C++ 6.0 ????? ????? ????????? ?? Microsoft Office Excel ???? C++ ?? ????? ?? ???????? ??? ?? ????? ???? ?? ??? ???? ??? ?? ????? ?? ???? ????:
  1. ????? C++ 6.0 ?? ??????? ????, ?? ??? ??? Win32 ????? ????? ????????? XlCpp. ??? ?? ?? "Hello, ??????!" ????????? ???? ?? ?????, ?? ????? ??????????.
  2. ??????? XlCpp.cpp ?????, ?? main() ????? ???? ?? ???? ????? ??? ???????
    #include <ole2.h> // OLE2 Definitions
    
    // AutoWrap() - Automation helper function...
    HRESULT AutoWrap(int autoType, VARIANT *pvResult, IDispatch *pDisp, LPOLESTR ptName, int cArgs...) {
        // Begin variable-argument list...
        va_list marker;
        va_start(marker, cArgs);
    
        if(!pDisp) {
            MessageBox(NULL, "NULL IDispatch passed to AutoWrap()", "Error", 0x10010);
            _exit(0);
        }
    
        // Variables used...
        DISPPARAMS dp = { NULL, NULL, 0, 0 };
        DISPID dispidNamed = DISPID_PROPERTYPUT;
        DISPID dispID;
        HRESULT hr;
        char buf[200];
        char szName[200];
    
        
        // Convert down to ANSI
        WideCharToMultiByte(CP_ACP, 0, ptName, -1, szName, 256, NULL, NULL);
        
        // Get DISPID for name passed...
        hr = pDisp->GetIDsOfNames(IID_NULL, &ptName, 1, LOCALE_USER_DEFAULT, &dispID);
        if(FAILED(hr)) {
            sprintf(buf, "IDispatch::GetIDsOfNames(\"%s\") failed w/err 0x%08lx", szName, hr);
            MessageBox(NULL, buf, "AutoWrap()", 0x10010);
            _exit(0);
            return hr;
        }
        
        // Allocate memory for arguments...
        VARIANT *pArgs = new VARIANT[cArgs+1];
        // Extract arguments...
        for(int i=0; i<cArgs; i++) {
            pArgs[i] = va_arg(marker, VARIANT);
        }
        
        // Build DISPPARAMS
        dp.cArgs = cArgs;
        dp.rgvarg = pArgs;
        
        // Handle special-case for property-puts!
        if(autoType & DISPATCH_PROPERTYPUT) {
            dp.cNamedArgs = 1;
            dp.rgdispidNamedArgs = &dispidNamed;
        }
        
        // Make the call!
        hr = pDisp->Invoke(dispID, IID_NULL, LOCALE_SYSTEM_DEFAULT, autoType, &dp, pvResult, NULL, NULL);
        if(FAILED(hr)) {
            sprintf(buf, "IDispatch::Invoke(\"%s\"=%08lx) failed w/err 0x%08lx", szName, dispID, hr);
            MessageBox(NULL, buf, "AutoWrap()", 0x10010);
            _exit(0);
            return hr;
        }
        // End variable-argument section...
        va_end(marker);
        
        delete [] pArgs;
        
        return hr;
    }
    						
  3. Main() ?????? ?? ???? printf() ???? ?? ????? ??? ?? ??????
       // Initialize COM for this thread...
       CoInitialize(NULL);
    
       // Get CLSID for our server...
       CLSID clsid;
       HRESULT hr = CLSIDFromProgID(L"Excel.Application", &clsid);
    
       if(FAILED(hr)) {
    
          ::MessageBox(NULL, "CLSIDFromProgID() failed", "Error", 0x10010);
          return -1;
       }
    
       // Start server and get IDispatch...
       IDispatch *pXlApp;
       hr = CoCreateInstance(clsid, NULL, CLSCTX_LOCAL_SERVER, IID_IDispatch, (void **)&pXlApp);
       if(FAILED(hr)) {
          ::MessageBox(NULL, "Excel not registered properly", "Error", 0x10010);
          return -2;
       }
    
       // Make it visible (i.e. app.visible = 1)
       {
    
          VARIANT x;
          x.vt = VT_I4;
          x.lVal = 1;
          AutoWrap(DISPATCH_PROPERTYPUT, NULL, pXlApp, L"Visible", 1, x);
       }
    
       // Get Workbooks collection
       IDispatch *pXlBooks;
       {
          VARIANT result;
          VariantInit(&result);
          AutoWrap(DISPATCH_PROPERTYGET, &result, pXlApp, L"Workbooks", 0);
          pXlBooks = result.pdispVal;
       }
    
       // Call Workbooks.Add() to get a new workbook...
       IDispatch *pXlBook;
       {
          VARIANT result;
          VariantInit(&result);
          AutoWrap(DISPATCH_PROPERTYGET, &result, pXlBooks, L"Add", 0);
          pXlBook = result.pdispVal;
       }
    
       // Create a 15x15 safearray of variants...
       VARIANT arr;
       arr.vt = VT_ARRAY | VT_VARIANT;
       {
          SAFEARRAYBOUND sab[2];
          sab[0].lLbound = 1; sab[0].cElements = 15;
          sab[1].lLbound = 1; sab[1].cElements = 15;
          arr.parray = SafeArrayCreate(VT_VARIANT, 2, sab);
       }
    
       // Fill safearray with some values...
       for(int i=1; i<=15; i++) {
          for(int j=1; j<=15; j++) {
             // Create entry value for (i,j)
             VARIANT tmp;
             tmp.vt = VT_I4;
             tmp.lVal = i*j;
             // Add to safearray...
             long indices[] = {i,j};
             SafeArrayPutElement(arr.parray, indices, (void *)&tmp);
          }
       }
    
       // Get ActiveSheet object
       IDispatch *pXlSheet;
       {
          VARIANT result;
          VariantInit(&result);
          AutoWrap(DISPATCH_PROPERTYGET, &result, pXlApp, L"ActiveSheet", 0);
          pXlSheet = result.pdispVal;
       }
    
       // Get Range object for the Range A1:O15...
       IDispatch *pXlRange;
       {
          VARIANT parm;
          parm.vt = VT_BSTR;
          parm.bstrVal = ::SysAllocString(L"A1:O15");
    
          VARIANT result;
          VariantInit(&result);
          AutoWrap(DISPATCH_PROPERTYGET, &result, pXlSheet, L"Range", 1, parm);
          VariantClear(&parm);
    
          pXlRange = result.pdispVal;
       }
    
       // Set range with our safearray...
       AutoWrap(DISPATCH_PROPERTYPUT, NULL, pXlRange, L"Value", 1, arr);
    
       // Wait for user...
       ::MessageBox(NULL, "All done.", "Notice", 0x10000);
    
       // Set .Saved property of workbook to TRUE so we aren't prompted
       // to save when we tell Excel to quit...
       {
          VARIANT x;
          x.vt = VT_I4;
          x.lVal = 1;
          AutoWrap(DISPATCH_PROPERTYPUT, NULL, pXlBook, L"Saved", 1, x);
       }
    
       // Tell Excel to quit (i.e. App.Quit)
       AutoWrap(DISPATCH_METHOD, NULL, pXlApp, L"Quit", 0);
    
       // Release references...
       pXlRange->Release();
       pXlSheet->Release();
       pXlBook->Release();
       pXlBooks->Release();
       pXlApp->Release();
       VariantClear(&arr);
    
       // Uninitialize COM for this thread...
       CoUninitialize();
    						
  4. ?????? ???? ?? ??????
AutoWrap() ?????? simplifies ??????? ????? ???? ????? ???? IDispatch ?? ????? ?? ?? ??? ????? ??? ????? ??? ???? ??????? ?? ????? ???? ?? ??? ???? ??? ?? caveat ?? ?? ??? ???? ??? ?? ?? ???? ???????? ???, ?? ???? ?? ???????? ?????? ???? ??? ???? ?? ???? ??? ?????? ?? ???::
    VARIANT parm[3];
    parm[0].vt = VT_I4; parm[0].lVal = 1;
    parm[1].vt = VT_I4; parm[1].lVal = 2;
    parm[2].vt = VT_I4; parm[2].lVal = 3;
    AutoWrap(DISPATCH_METHOD, NULL, pDisp, L"call", 3, parm[2], parm[1], parm[0]);
				

??????

????? C++ ?? ????? ?? Office ?? ??????? ?? ???? ??? ???? ??????? ?? ??? ?????? ?? Microsoft ???????? ??? ????? ?? ??? ????? ???? ???????? ?? ????? ????:
196776Office ??????? ????? C++ ?? ????? ????
216388B2CSE.exe ????? C++ ???? ?? ??? Visual Basic ??????? ??? ??? ?????? ???? ??
(?) Microsoft Corporation 1999, ??? ?????? ????????? ?? Crump, Microsoft Corporation ?????? ?????????

???

???? ID: 216686 - ????? ???????: 06 ??????? 2011 - ??????: 3.0
???? ???? ???? ??:
  • Microsoft Office Excel 2007
  • Microsoft Excel 2002 Standard Edition
  • Microsoft Excel 2000 Standard Edition
  • Microsoft Excel 97 Standard Edition
  • Microsoft Visual C++ 5.0 Enterprise Edition
  • Microsoft Visual C++ 5.0 Professional Edition
??????: 
kbautomation kbhowto kbmt KB216686 KbMthi
???? ?????? ????????
??????????: ?? ???? ?? ???? ??????? ?? ????? ?? Microsoft ????-?????? ?????????? ?????? ?????? ???? ??? ??. Microsoft ???? ??? ????-???????? ?? ????-???????? ????? ?????? ?? ???? ???????? ???? ?? ???? ????? ????? ??? ?? ??? ?????? ?? ???? ???? ???? ??? ????? ??. ???????, ????-???????? ???? ????? ???? ???? ???? ???. ?????, ????????, ?????-???? ?? ??????? ?? ???????? ?? ???? ???, ???? ?? ??? ?????? ???? ???? ??? ????? ??? ?? ???? ??. Microsoft ??????? ??? ???? ?? ?????? ?? ??????????, ????????? ?? ??? ?????? ?? ???? ????? ?? ???? ???????? ?? ??? ???? ????? ?? ??? ????????? ???? ??. Microsoft ????-?????? ?????????? ?? ????? ?????? ?? ?? ??? ??.
?????????? ?? ??????? ????????? ??????? ??:216686

??????????? ???

 

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