???? ???????: 267240 - ????? ??? ??????: 13/???? ??????/1427 - ??????: 4.0

????? ????? ????? ???? ??????? ?????????? ????? ???? WebBrowser ?? Internet Explorer

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Retired KB Article????? ??????? ?? ????? ???? ?? ????? ???????
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??????? ???? ?????? WebBrowser ? ?? ????? ?????? ?????? ????????? ???? ???????? ????? HTML ?????? ". ??? ????? ?? ??? ???? Microsoft Internet Explorer 5.5 ??????? ????? ??????? ???? ?? ?????? ???? ??????? ?????????? ???? ??????? Internet Explorer 4.0 ?????????? ?????? ??????? ????? IWebBrowser2::ExecWB ?????? ???? ??????? ??????????.
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IWebBrowser2::ExecWB ????? ??????? Exec ????? IOleCommandTarget. ????? ??????? ??? ExecWB ??????? ??????: 
HRESULT ExecWB(
    OLECMDID cmdID,
    OLECMDEXECOPT cmdexecopt,
    VARIANT *pvaIn,
    VARIANT *pvaOut
);
??? ??????? ????? OLECMDID ???? OLECMDID_PRINT ?? ????? ExecWB ????? ????? ??????? ??????? ???????? ?????? ??????? ?? ???? SAFEARRAY ???? pvaIn ??????? VARIANT. ???? ??? ????? ?? ???????? SAFEARRAY ???? ???? ??? ????:
  1. ????? (BSTR) ???? ????? ??? ??? ?????.
  2. ????? (BSTR) ???? ????? ??? ????? ???? ????.
  3. ???? IStream ????? ??? ??? HTML ??????? "??????? ???." ??? ?? ??? ????? ?????? ?????????? ???? ??????? ?? Microsoft Outlook ?????? ?????? ?????????? Microsoft Outlook Express ??? ???????. ??? ?? ???? ??? ?????? IStream ??? ????? HTML ????? ?? ???? ?? HTML ??????? ?? ??? ???? ????? ???? ??? ????.
  4. URL ???? ????????? ?? ???????. ??? ??? ??? ????? ??? Outlook ?? ??? Outlook Express.
  5. ?????? ?? ?????? ??????? (dwFlags) ????? ???????. ??? ??? ??? ????? ??? Outlook ?? ??? Outlook Express.
???? ??? Microsoft Visual C++ ??????? ????? ????? ???? ????? ??????? ?? ???? WebBrowser Visual C++. ???? ???????? ???????? ??? ???? ?????? ??? ?????? ??? ????? ???????. 
LRESULT CWebOCWindow::OnPrint(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled) {
	SAFEARRAYBOUND psabBounds[1];
	SAFEARRAY *psaHeadFoot;
	HRESULT hr = S_OK;

	// Variables needed to send IStream header to print operation.
	HGLOBAL hG = 0;
	IStream *pStream= NULL;
	IUnknown *pUnk = NULL;
	ULONG lWrote = 0;
	LPSTR sMem = NULL;
	
	if (!webOC) {
		ATLTRACE(_T("DoPrint: Cannot print - WebBrowser control not ready\n"));
		goto cleanup;
	}
	
	// Initialize header and footer parameters to send to ExecWB().
	psabBounds[0].lLbound = 0;
	psabBounds[0].cElements = 3;
	psaHeadFoot = SafeArrayCreate(VT_VARIANT, 1, psabBounds);
	if (NULL == psaHeadFoot) {
		// Error handling goes here.
		goto cleanup;
	}
	VARIANT vHeadStr, vFootStr, vHeadTxtStream;
	long rgIndices;
	VariantInit(&vHeadStr);
	VariantInit(&vFootStr);
	VariantInit(&vHeadTxtStream);

	// Argument 1: Header
	vHeadStr.vt = VT_BSTR;
	vHeadStr.bstrVal = SysAllocString(L"This is my header string.");
	if (vHeadStr.bstrVal == NULL) {
		goto cleanup;
	}
	
	// Argument 2: Footer
	vFootStr.vt = VT_BSTR;
	vFootStr.bstrVal = SysAllocString(L"This is my footer string.");
	if (vFootStr.bstrVal == NULL) {
		ATLTRACE(_T("DoPrint: Could not allocate memory in %s: Line %d\n"), __FILE__, __LINE__);
		goto cleanup;
	}

	// Argument 3: IStream containing header text. Outlook and Outlook 
         // Express use this to print out the mail header. 	
	if ((sMem = (LPSTR)CoTaskMemAlloc(512)) == NULL) {
		ATLTRACE(_T("DoPrint: Could not allocate memory in %s: Line %d\n"), __FILE__, __LINE__);
		goto cleanup;
	}
	// We must pass in a full HTML file here, otherwise this 
         // becomes corrupted when we print.
	sprintf(sMem, "<html><body><strong>Printed By:</strong> Custom WebBrowser Host 1.0<p></body></html>\0");

	// Allocate an IStream for the LPSTR that we just created.
	hG = GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT, strlen(sMem));
	if (hG == NULL) {
		ATLTRACE(_T("DoPrint: Could not allocate memory in %s: Line %d\n"), __FILE__, __LINE__);
		goto cleanup;
	}
	hr = CreateStreamOnHGlobal(hG, TRUE, &pStream);
	if (FAILED(hr)) {
		ATLTRACE(_T("OnPrint::Failed to create stream from HGlobal: %lX\n"), hr);
		goto cleanup;
	}
	hr = pStream->Write(sMem, strlen(sMem), &lWrote);
	if (SUCCEEDED(hr)) {
	    // Set the stream back to its starting position.
		LARGE_INTEGER pos;
		pos.QuadPart = 0;
		pStream->Seek((LARGE_INTEGER)pos, STREAM_SEEK_SET, NULL);
		hr = pStream->QueryInterface(IID_IUnknown, reinterpret_cast<void **>(&pUnk));
		vHeadTxtStream.vt = VT_UNKNOWN;
		vHeadTxtStream.punkVal = pUnk;
	}

	rgIndices = 0;
	SafeArrayPutElement(psaHeadFoot, &rgIndices, static_cast<void *>(&vHeadStr));
	rgIndices = 1;
	SafeArrayPutElement(psaHeadFoot, &rgIndices, static_cast<void *>(&vFootStr));
	rgIndices = 2;
	SafeArrayPutElement(psaHeadFoot, &rgIndices, static_cast<void *>(&vHeadTxtStream));
		
	//NOTE: Currently, the SAFEARRAY variant must be passed by using
	        // the VT_BYREF vartype when you call the ExecWeb method.
	VARIANT vArg;
	VariantInit(&vArg);
	vArg.vt = VT_ARRAY | VT_BYREF;
	vArg.parray = psaHeadFoot;
	hr = webOC->ExecWB(OLECMDID_PRINT, OLECMDEXECOPT_DONTPROMPTUSER, &vArg, NULL);
	if (FAILED(hr)) {
		ATLTRACE(_T("DoPrint: Call to WebBrowser's ExecWB failed: %lX\n"), hr);
	goto cleanup;
	}
	return 1; 
	//WebBrowser control will clean up the SAFEARRAY after printing.
	cleanup:
	VariantClear(&vHeadStr);
	VariantClear(&vFootStr);
	VariantClear(&vHeadTxtStream);
	if (psaHeadFoot) {
		SafeArrayDestroy(psaHeadFoot);
	}
	if (sMem) {
		CoTaskMemFree(sMem);	
	}
	if (hG != NULL) {
		GlobalFree(hG);
	}
	if (pStream != NULL) {
		pStream->Release();
		pStream = NULL;
	}
	bHandled = TRUE;
	return 0;
}
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?????? ??? ???? ?? ????????? ??? ????? ?????? ???????? ??? ??? ??????? Microsoft Internet Explorer? ?? ?????? ????? Microsoft ??????? ??? ?????:
http://msdn.microsoft.com/ie/ (http://msdn.microsoft.com/ie/)

http://support.microsoft.com/iep (http://support.microsoft.com/iep)
???? ??? ??????
????? ???
  • Microsoft Internet Explorer 4.0 128-Bit Edition
  • Microsoft Internet Explorer 4.01 Service Pack 2
  • Microsoft Internet Explorer 5.0
  • Microsoft Internet Explorer 5.01
  • Microsoft Internet Explorer 5.5
  • Microsoft Internet Explorer (Programming) 6.0
???? ??? ??????
????? ??????: 
kbmt kbfaq kbhowto kbprint kbwebbrowser KB267240 KbMtar
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???: ??? ????? ??? ?????? ???????? ?????? ????? ???? ????? ?????????? ????? ?? ????????? ?????? ????. ???? ???? ?????????? ???? ?? ???????? ???????? ?????? ????????? ????? ????????? ???????? ????? ???????? ?????? ?? ?????? ??? ?? ???????? ???????? ?? ????? ??????? ?????? ??? ??????? ?????? ??. ?????? ?? ???? ??? ??????? ???????? ????? ?? ???? ????? ?????? ??? ????? ??? ????? ??????? ?? ????? ?? ?????? ??? ??? ??????? ??????? ?? ????? ????? ????? ????? ?????. ?? ????? ???? ?????????? ??????? ??? ????? ?? ??????? ?? ????? ?????? ?? ??? ????? ?? ????? ??????? ?? ???????? ?? ??? ???????. ???? ???? ?????????? ???????? ??? ????? ?????? ??????? ??????
???? ??? ????? ??????? ?????? ??????????267240  (http://support.microsoft.com/kb/267240/en-us/ )
???? ??? ??????
Retired KB Article????? ??????? ?? ????? ???? ?? ????? ???????
?? ????? ????? ?????? ???? ???? ???? ??? ??????? ??? ?? ? ?? ??? ??????? Microsoft ??? ????? ??? ??????? ????? ?????? ?????
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