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

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

??????

???? ?????? ?? ??????? ????? ??????? ????? ?? ????????? ???????? ?? C++ ??????. ????? ?? foremost ? ????? ?????? ?????? ?? ?????. ??? ???? ???? ????????? ???????? ?????? ?? ???? ????? ???? ???????. ??? ???????? ???? ????? ??? ?? ??????. ??? ??? ??? ???? ???????? MFC ????? ?????? ??????? ?? Visual C++ COM ?????? ???? (#import) ? ?? ?? ???? ???? ???? guts IDispatch ? ??????? COM ??????? ?? ??????? ??????? ??????? ?? ??? ????????.

??????? ????

???? ??????? ????? ??? ????? ???? ?????? ???? 6.0 C++ ????? ????? ?????? Microsoft Office Excel ???????? C++ ???:
  1. ??? 6.0 Visual C++ ? ?? ?? ?????? "????? ???? ????" ???? Win32 ?????? XlCpp. ?????? ????? "??????, ????!" ????? ?? ???? ??? ?????.
  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() ???? ???? ???????? ??? ??????? ??????? ???????? ?? ??????? 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]);
				

?????

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

???????

???? ???????: 216686 - ????? ??? ??????: 24/???? ??????/1428 - ??????: 5.2
????? ???
  • Microsoft Office Excel 2007
  • Microsoft Office Excel 2003
  • 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++ 6.0 Enterprise Edition
  • Microsoft Visual C++ 5.0 Professional Edition
  • Microsoft Visual C++ 6.0 Professional Edition
  • Microsoft Visual C++, 32-bit Learning Edition 6.0
????? ??????: 
kbmt kbautomation kbhowto KB216686 KbMtar
????? ????
???: ??? ????? ??? ?????? ???????? ?????? ????? ???? ????? ?????????? ????? ?? ????????? ?????? ????. ???? ???? ?????????? ???? ?? ???????? ???????? ?????? ????????? ????? ????????? ???????? ????? ???????? ?????? ?? ?????? ??? ?? ???????? ???????? ?? ????? ??????? ?????? ??? ??????? ?????? ??. ?????? ?? ???? ??? ??????? ???????? ????? ?? ???? ????? ?????? ??? ????? ??? ????? ??????? ?? ????? ?? ?????? ??? ??? ??????? ??????? ?? ????? ????? ????? ????? ?????. ?? ????? ???? ?????????? ??????? ??? ????? ?? ??????? ?? ????? ?????? ?? ??? ????? ?? ????? ??????? ?? ???????? ?? ??? ???????. ???? ???? ?????????? ???????? ??? ????? ?????? ??????? ??????
???? ??? ????? ??????? ?????? ??????????216686

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

 

Contact us for more help

Contact us for more help
Connect with Answer Desk for expert help.
Get more support from smallbusiness.support.microsoft.com